Author:
National Library of Wales.
Edition Statement:2d editions revised and enlarged.
Imprint:Aberystwyth : Pub. by the National library of Wales in association with the Press board of the University of Wales; [etc.,etc.], 1925.
Descriptionviii, 90 p.,1 l. ; 23 cm.
Note:At head of title: The National library of Wales.
Note:Foreword signed: John Ballinger, librarian.
Note:First edition, 1914, by A.J. Hawkes; this new edition by William Williams.