Ni reolir y Tanysgrifiadau gan y Llyfrgell, ond gellir cael mynediad atynt trwy aelodaeth LlGC (ceir rhai cyfyngiadau, gweler y dudalen Tocynnau Darllen).
Am restr lawn o'r holl adnoddau a reolir gan Lyfrgell Genedlaethol Cymru (mynediad yn rhad ac am ddim - nid oes angen cofrestru), gweler y dudalen Adnoddau LlGC.
19th Century BL Newspapers
Bibliography of British and Irish History
British Humanities Index
Credo Reference
Daily Mail Historical Archive 1896-2004
Early English Books Online
EBSCOHost E-book Collection
Eighteenth Century Collections Online
Encyclopedia Britannica
Gale Virtual Reference Library
House of Commons Parliamentary Papers
Independent Digital Archive 1986-2012
Illustrated London News
In Principio Online
JSTOR: The Scholarly Journal Archive
Newsbank
Nineteenth Century Collections Online (British Politics and Society)
OCLC World Cat
OCLC ArticleFirst
OECD iLibrary
Oxford Art Online
Oxford Dictionary of National Biography
Oxford English Dictionary
Oxford Music Online
Oxford Reference Online
ProQuest - Dissertations and Theses
ProQuest Historical Newspapers (Guardian & The Observer)
Public Information Online
Sage Journals Online
Sunday Times Digital Archive
Statista
The Telegraph Historical Archive, 1855-2000
Times Digital Archive 1785-2010
The Welsh Academy Encyclopaedia of Wales
Who's who and Who was who
ZETOC British Library Electronic Table of Contents
