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Yr Wmp o Blwmp
Dwynwen Lloyd Llywelyn
1848515537
GBB2C6850
cym
2,012
Gwasg Gomer
Twins-Pictorial works-Juvenile fiction, Monsters-Pictorial works-Juvenile fiction
Yr wy
René Mettler
0861740173
GB9208483
cym
1,991
Gwasg Addysgol Drake
Nature study-Juvenile literature, Eggs-Juvenile literature
Yr Wyddfa = Snowdon
Elin Meek
1843238232
GBA879768
cym
2,007
Gomer
Snowdon (Wales), Mountains-Wales, North
Yr Wyddfa : the story of Snowdon summit
Michael Senior
1845241649
GBB0E4608
eng
2,010
Llygad Gwalch
Snowdon (Wales)
Yr wyddor
David Greenslade
1859025048
GB9905409
cym
1,998
Gwasg Gomer
null
Yr wŷl fawr yn Nyffryn Conwy
O. M. Roberts
0904852652
GB9019106
cym
1,989
Cyngor Sir Gwynedd Gwasanaeth Llyfrgell
null
Yr wŷl ifori : cerddi Affrica
Bobi Jones
null
GB6805578
eng
1,967
Lyfrau'r Dryw
null
Yr wylan deg
Kate Roberts
0707400864
GB7607047
cym
1,976
Gwasg Gee
Children's literature, Welsh
Yr wylan deg
Kate Roberts
1904554110
GBB187980
cym
2,011
Gwasg Gee
Short stories, Welsh
Yr wythfed dydd : cerddi, 1972-74
Dafydd Rowlands
0715402013
GB7510367
cym
1,975
CDavies
Welsh poetry
Yr wythnos brysur
Linda Parry
1859944132
GBA329088
cym
2,002
Cyhoeddiadau'r Gair
Bible stories.-Juvenile literature, Creation-Biblical teaching-Juvenile literature
Yr wythnos honno : cyfres o fyfyrdodau yn canolbwyntio ar yr Wythnos Fawr
Ivor Thomas Rees
185994714X
GBB228146
cym
2,011
Cyhoeddiadau'r Gair
Meditations, Holy Week-Meditations, Easter-Meditations
Yr ych -a-feiliaid! = Yucky mucky manners
Sam Lloyd
1849671149
GBB304955
cym
2,012
Rily
Animals-Juvenile fiction, Etiquette-Juvenile fiction
Yr ymbarel rhyfedd : a storïau eraill i blant bach
Janet Jones
null
GBC032782
cym
1,963
Gwasg Gee
Children's stories, Welsh
Yr ymerodraeth Osmanaidd : a bygythiad y Twrciaid i Ewrop
W. Gareth Evans
1856443183
GB9729518
cym
1,996
Canolfan Astudiaethau Addysg
Turkey, Turkey-Foreign relations-Europe
Yr ymgiprys am y Gogledd : Sweden a'r Baltig yn yr ail ganrif ar bymtheg
Gareth Williams
0708309003
GB8512822
cym
1,985
Gwasg Prifysgol Cymru
Sweden, Sweden-History-Gustavus II Adolphus, 1611-1632
Yr ymlusgiaid
András Tasnádi-Kubacska
null
GB7700768
cym
1,975
Cyhoeddiadau Modern Cymreig
Reptiles-Juvenile literature
Yr Ymwelwyr
Heather Amery
1843236729
GBA778658
cym
2,005
Gomer
Farms-Pictorial works-Juvenile fiction, Hot air balloons-Pictorial works-Juvenile fiction, Children's stories, Welsh-Pictorial works
Yr ymwelwyr
Richard Foxhall
0863816738
GBA169900
cym
2,001
GwasgCarreg Gwalch
Unidentified flying objects-Sightings and encounters, Unidentified flying objects-Sightings and encounters-Wales
Yr ymwybod â hanes yng Nghymru yn yr Oesoedd Canol : darlith agoriadol
Jenkyn Beverley Smith
0903878070
GB9208528
cym
1,991
Coleg Prifysgol Cymru
Wales, Wales-History-1284-1536, Wales-History-1063-1284, University College of Wales (Aberystwyth, Wales), Welsh-History
Yr ymyl aur
Gwynn ap Gwilym
0860741400
GB9822580
cym
1,997
Gwasg Gwynedd
Wales, Wales-Poetry, Hymns, Welsh, Englyns
Yr Ynys Ddu
Herge,́
1906587086
GBA975995
cym
2,009
Dalen
Tintin (Fictitious character)-Comic books, strips, etc
Yr ynys: drama fer; [and, Y gweddill: drama fer, mewn dwy olygfa], gan W. R. P. George
William Richard Philip George
null
GB7026218
cym
1,970
Cyhoeddiadau Modern Cymreig
null
Yr ynys fach werdd
Roderick Hunt
0861743229
GBA072041
cym
2,000
Gwasg Addysgol Drake
Welsh language-Readers
Yr ynys hud
Mererid Hopwood
1843234017
GBA535230
cym
2,005
Gwasg Gomer
Fairies-Pictorial works-Juvenile fiction, Islands-Pictorial works-Juvenile fiction
Yr ynys las
Benoît Coppée
9279093654
GBB232875
cym
2,008
Comisiwn Ewropeaidd
null
Yr Ynys Unig
Olwen Llewelyn Walters
085088389X
GB7807197
cym
1,977
Gwasg Gomer
Welsh language-Readers, Wale,s North, Wales, North, Islands-Juvenile fiction
Yr ynys wydr
John Williams
0901332100
GB7018389
cym
1,970
Cyhoeddiadan Modern Cymreig
null
Yr Ynysoedd Prydeinig
David John Owen Williams
0708304672
GB7313144
cym
1,973
Gwasg Prifysgol Cymru
Great Britain, Great Britain-Description and travel
Yr Ysbryd a'r eglwysi : myfyrdodau ar gyfer Ebrill, Mai, Mehefin 1987
Emrys Wyn Evans
null
GB8916747
cym
1,987
Pwyllgor Darlleniadau Beiblaidd Cyngor Eglwysi Cymru
null
Yr ysbryd arian
Alys Jones
0863835945
GB9046908
cym
1,989
Gwasg Gomer
null
Yr ysbryd
Angharad Tomos
0862438764
GBA778650
cym
2,006
YLolfa
Welsh language-Readers, Children's stories, Welsh, Wizards-Juvenile fiction, Ghosts-Juvenile fiction
Yr ysbryd
Caryl Lewis
0862438381
GBA780839
cym
2,005
YLolfa
null
Yr Ysbryd Glân
Robert Tudur Jones
0901330388
GB7303948
cym
1,972
Llyfrfar Methodistiaid Calfina idd
Theology, Doctrinal
Yr ysgol anghynnes
Lemony Snicket
1784230098
GBB475009
cym
2,014
Dref Wen
Brothers and sisters-Juvenile fiction, Orphans-Juvenile fiction, Boarding schools-Juvenile fiction, Baudelaire, Violet (Fictitious character), Baudelaire, Sunny (Fictitious character), Baudelaire, Klaus (Fictitious character), Baudelaire, Sunny (Fictitious character)-Juvenile fiction, Baudelaire, Violet (Fictitious cha...
Yr ysgol
Elfyn Pritchard
085088988X
GB8420438
cym
1,983
Gwasg Gomer
Welsh language-Readers
Yr ysgol
Joanne Barkan
0859537005
GB9202531
cym
1,991
Child's Play (International) Cyf
null
Yr ysgol
John Burningham
null
GBC011149
cym
1,987
Mudiad Ysgolion Meithrin
Welsh language-Readers, Schools-Juvenile fiction
Yr ysgol farddol. Y gris cyntaf. Ail llyfr, Gynghanedd draws a'r gynghanedd groes
Roy Stephens
null
GB9642536
cym
1,990
Barddas
Poetics, Welsh poetry
Yr ysgol farddol. Y gris cyntaf. Llyfr cyntaf, pynciau rhagarweiniol
Roy Stephens
null
GB9642535
cym
1,990
Barddas
Poetics, Welsh poetry
Yr ysgol farddol. Y gris cyntaf. Pedwerydd llyfr, Gynghanedd sain
Roy Stephens
null
GB9641820
cym
1,990
Barddas
Poetics, Welsh poetry
Yr ysgol farddol. Y gris cyntaf. Trydydd llyfr, Gynghanedd lusg
T. Arfon Williams
null
GB9642537
cym
1,990
Barddas
Poetics, Welsh poetry
Yr ysgol goedwig
Eileen Merriman
1908395354
GBB312545
cym
2,012
Canolfan Peniarth
null
Yr Ysgol Gymraeg
O. Jones Owen
null
GBC038653
cym
1,916
Hughes ai Fab
Wales, Welsh language-Readers, Wales-History-Study and teaching
Yr ysgol Gymreig : yn cynnwys Cyfarwyddiadau Eglur a Syml i ysgrifenu Cymraeg yn gywir
Dafydd Morganwg
null
GBB940142
cym
1,881
Argraffwyd a chyhoeddwyd gan yr awdur
Welsh language-Grammar, Welsh language-Study and teaching
Yr Ysgol Gynradd Ganllwyd, Dolgellau, Gwynedd, LL40 2TG : arolygiad dan Adran 9 o Ddeddf Addysg (Ysgolion) 1992 : rhif ysgol 573/2191 : dyddiad arolygiad: Mehefin 6ed - Mehefin 7fed, 1995
Dorothy Selleck
0750411139
GB9680012
cym
1,995
Central Office of Information
null
Yr Ysgol haf : (nofel fer)
Rhiannon Davies
null
GB5315158
cym
1,953
Gwasg Aberystwyth
null
Yr ysgol Sul : coleg y werin
Robert Tudur Jones
0901337404
GB8729188
cym
1,985
Gwasanaeth Archifau Gwynedd
null
Yr ysgrif Gymraeg
Glyn Evans
null
GB6410727
cym
1,964
Llyfraur Dryw
null
Yr ysgub olaf
Glynne Gerallt Davies
0901330302
GB7121186
cym
1,971
Llyfrfar Methodistiaid Calfina idd
null
Ysbryd yr ynys
Nesta Griffiths
null
GBB036183
cym
2,004
Urdd Gobaith Cymru
null
Ysbryd yr ystlum
Elizabeth Laird
0852840918
GB9139870
cym
1,991
Hughes ai Fab
null
Yr ystafell aros : stori glyweledol artist preswyl yn y clinigau rhewmatoleg yn Ysbyty Gwynedd ac Ysbyty Llandudno = The Waiting room : An audio visual tale of an artist in residence at the rheumatology clinics in Ysbyty Gwynedd and Ysbyty Llandudno
Michael McMillan
0957099630
GBB765891
cym
2,016
Addo
null
Yr ystafell gudd
Roderick Hunt
0861741447
GBA072032
cym
1,998
Gwasg Addysgol Drake
Welsh language-Readers
Yr ystlum
Ffransis Hope
null
GB7902733
cym
1,978
Gwasg y Dref Wen
Bats-Juvenile literature
Yragaël/Urm the Mad
Philippe Druillet
1785864211
GBB957135
eng
2,018
Titan Comics
Demonology-Comic books, strips, etc, Gods-Comic books, strips, etc
Yrion : a tale of dragons and of men
Frederick Neil Johnson
1871622573
GBA910928
eng
2,009
Marius
Dragons-Poetry
Yrion : a tale of dragons and of men
Jón Einarsson
1871622328
GBA7A0338
eng
2,007
Marius
null
Ys gwn i a cherddi eraill
Rhydwen Williams
null
GB8727833
cym
1,986
Cyhoeddiadan Barddes
null
Ysabel
Guy Gavriel Kay
0007342039
GBB001661
eng
2,010
Harper Voyager
Aix-en-Provence (France), Aix-en-Provence (France)-Fiction
Ysabel
Guy Gavriel Kay
0743252519/0743252500
GBA685857
eng
2,007
Simon&Schuster
Space and time-Fiction
Ysart glass
Ian Turner
0951446517
GB9113546
eng
1,990
Volo Edition
null
Ysbïwr yn yr ysgol : stori am y Sentars cynnar
Gweneth Lilly
0850887771
GB8321766
cym
1,982
Gwasg Gomer
null
Ysbryd Beca : drama lwyfan
Geraint Lewis
1856446360
GBA207633
cym
2,001
Sgript Cymru
Drama
Ysbryd
Joy Cowley
0174005202
GB9226170
cym
1,991
Thomas Nelson & Sons
Welsh language-Readers
Ysbryd!
Paul Groves
0863839339
GB9364059
cym
1,993
Gomer
null
Ysbryd Duw ar waith : dechrau'r Eglwys : deunydd ysgol Sul i rai rhwng 3 a 14 oed
Sarah Morris
1859946313
GBA968666
cym
2,009
Cyhoeddiadau'r Gair
null
Ysbryd Morgan : adferiad y meddwl Cymreig
Huw L. Williams
1786834219/1786834200
GBC1I4266
cym
2,020
University of Wales Press
Wales, Wales-History, Llwyd, Morgan, 1619-1659
Ysbryd Morgan : adferiad y meddwl Cymreig
Huw Lloyd Williams
1786834197
GBC3G2492
cym
2,020
Gwasg Prifysgol Cymru
Wales, Wales-History, Llwyd, Morgan, 1619-1659, Pelagius
Ysbryd Plas Nantesgob
Thomas Llew Jones
085088442X
GB9153701
cym
1,991
Gomer
null
Ysbryd Plas Parc
Eleri Llewelyn Morris
1856445054/1856445267
GBA124618
cym
2,000
Y Ganolfan Astudiaethau Addysg
Welsh language-Readers, Ghosts-Juvenile fiction
Ysbryd Plas yr Onnen
Len Evans
1860852874
GB9868467
cym
1,997
CBAC
Welsh language-Readers
Ysbryd rygbi
Gerard Siggins
1845275822
GBB672894
cym
2,016
GwasgCarreg Gwalch
null
Ysbryd Sabrina
Martin Davis
1800990258
GBC138504
cym
2,021
YLolfa
Missing persons-Fiction, Shrewsbury (England), Shrewsbury (England)-Fiction
Ysbryd y cwlwm : delwedd y genedl yn ein llenyddiaeth
Bobi Jones
0708314279/0708314643
GB9869839
cym
1,998
Gwasg Prifysgol Cymru
Nationalism in literature, Nationalism-Wales
Ysbryd y lle hwn
Mair Evans
0954810201
GBA467910
cym
2,004
Gofannon
Swansea (Wales), Swansea (Wales)-Fiction
Ysbryd y maswr
Gareth William Jones
1845271580
GBA911644
cym
2,008
GwasgCarreg Gwalch
Brothers-Juvenile fiction, Rugby football-Juvenile fiction
Ysbryd y mynydd
Annes Glynn
1845214838
GBB295487
cym
2,012
CAA
Epynt Mountain (Wales)
Ysbryd y nos
Eirlys Gruffydd
0863837433
GB9329459
cym
1,993
Gomer
null
Ysbryd y sbwriel
Meilyr Siôn
1848510517
GBB0E7635
eng
2,010
Gomer
Environmental protection-Wales-Juvenile fiction, Urban parks-Wales-Juvenile fiction
Ysbryd yn yr ardd
Mair Wynn Hughes
1860852637
GB9868462
cym
1,997
CBAC
Welsh language-Readers, Ghosts-Juvenile fiction
Ysbryd yr oes
Mari Williams
1784616489
GBB8F5400
cym
2,018
YLolfa
Penry, John, 1563-1593
Ysbryd yr ynys
Nesta Griffith
184323050X
GBA241719
cym
2,002
Gomer
Tombs-Juvenile fiction
Ysbryd ystafell Anna
Philippa Pearce
1843235102
GBA589750
cym
2,005
Gomer
Children's stories, Welsh, Ghosts-Juvenile fiction
Ysbryd Ystrad Fflur
Philip Huckin
0993349536
GBC022378
cym
2,019
Gwasg Gwynfil
Strata Florida Abbey (Wales), Strata Florida Abbey (Wales)-History, Landscapes-Wales-Ceredigion
Ysbrydion, angenfilod a chwedlau
Bradley Susannah
1859022499
GB9647730
cym
1,996
Gomer
Amusements-Juvenile literature, Monsters-Juvenile literature, Ghosts-Juvenile literature
Ysbrydion
Elwyn Edwards
1911584520
GBC1D6681
cym
2,021
Cyhoeddiadau Barddas
Ghosts
Ysbrydion Clwyd
Eirlys Gruffydd
0863811957
GB9157120
cym
1,991
GwasgCarreg Gwalch
null
Ysbrydion Gwent a Morgannwg
Eirlys Gruffydd
0863815227
GB9863668
cym
1,998
GwasgCarreg Gwalch
Ghosts-Wales-Gwent, Ghosts-Wales-Glamorgan
Ysbrydion y môr
Alys Jones
null
GB8321775
cym
1,982
Tŷ ar y Graig
null
Ysbrydoliaeth : llyfr i gyd-fynd ag arddangosfa Mehefin 1995 = Inspiration : a book to accompany an exhibition June 1995
Ronald Stuart Thomas
0863813275
GB9649594
eng
1,995
Cyfeillion Oriel Plas Glyn-y-Weddw
null
Ysbyty Coffa Dewrion Ffestiniog a'r Cylch 1925-1948
Edward Davies
1904845452
GBA757184
cym
2,006
Gwasg y Bwthyn
null
Ysbyty Dewi Sant, Bangor, 1913-1994 = St David's Hospital, Bangor, 1913-1994
Joan Povey
1857871227
GB9511989
cym
1,994
Canolfan Astudiaethau Iaith
Hospitals-Wales-Bangor-History
Ysceifiog : Ysceifiog Lake
Gordon Emery
1872265219
GB9134651
eng
1,990
G Emery
null
Yscrifenu : The Welsh pharaohs
Reg Stuart
null
GB8952375
eng
1,988
RStuart
Egyptian language-Writing, Hieroglyphic-Juvenile literature
Yscrifenu : the Welsh Pharoahs
Reg Stuart
null
GBB907852
eng
1,988
RStuart
Egyptian language-Writing, Hieroglyphic, Inscriptions, Egyptian, Welsh language-History
Ysengrimus
Nivardus
0674724822
GBB382095
lat
2,013
Oxford University Press
null
Ysgallen, rhosyn a chennin pedr
Huw Thomas Davies
null
GBA517626
cym
2,004
Gwasg Daeargi
null
Ysgariad a'r teulu
Alvis Richards
1874786712
GB9848105
cym
1,998
Gwasg Pantycelyn
Divorce-Religious aspects, Divorce
Ysglyfaeth
Harri Pritchard Jones
0862431514
GB8858521
cym
1,987
YLolfa
null