AMHOSIB - FFEITHIAU A SYNIADAU FYDD YN NEWID DY FYWYD AM BYTH

ANSODDEIRIAU, YR - A COMPREHENSIVE COLLECTION OF WELSH ADJECTIVES

AR FLAEN FY NHAFOD - CASGLIAD O YMADRODDION CYMRAEG (PB)

ARDDODIAD, YR

CN DI BENNILL (PB)

DIARHEBION, Y - CASGLIAD O DDIARHEBION CYFOES / A COMPENDIUM OF CONTEMPORARY WELSH PROVERBS

GEIRIADUR CYMRAEG GOMER (HB)

GEIRIADUR CYNRADD GOMER (HB)

GEIRIADUR GOMER I'R IFANC (HB)

GEIRIADUR GWYBOD Y GEIRIAU GOMER (HB)

GEIRIADUR MOR, MWY, MWYAF GOMER (HB)

GEIRIADUR PINC A GLAS GOMER (HB)

GEIRIAU DIFYR A DOETH - DIARHEBION O BEDWAR BAN BYD

GEIRIAU GORFOLEDD A GALAR (HB)

GEIRIAU GORFOLEDD A GALAR (PB)

GEIRIAU LLETCHWITH, Y - A CHECK-LIST OF IRREGULAR WORD FORMS AND SPELLING (PB)

LEWISIANA (HB)

LLYFR ANSODDEIRIAU, Y/CHECK-LIST OF WELSH ADJECTIVES, A (PB)

LLYFR BERFAU, Y (PB)

LLYFR ENWAU, Y - ENWAU'R WLAD / CHECK-LIST OF WELSH PLACE-NAMES, A (PB)

MEWN GEIRIAU ERAILL (PB)

MEWN GEIRIAU ERAILL - THESAWRWS I BLANT (HB)

PA ARDDODIAD? - A CHECK-LIST OF VERBAL PREPOSITIONS (PB)

READING WELSH - AN ESSENTIAL COMPANION (PB)

RHIFOLION, Y / WELSH NUMERALS

SHORTER WELSH DICTIONARY, A (PB)

TREIGLADUR, Y - A CHECK-LIST OF WELSH MUTATIONS (ARGRAFFIAD NEWYDD) (PB)

WELSH - ENGLISH, ENGLISH - WELSH DICTIONARY (HB)

WELSH READING DICTIONARY, THE

WELSH-ENGLISH DICTIONARY, ENGLISH-WELSH DICTIONARY