Bibliographical Society, London.
Rare BOOM Transactions. Supplement, no.10,
DepT. Haselden, Reginald Berti, 1881- *Xz, Scientific aids for the study of manuscripts. 19 COxford] Printed at the Oxford University Press . BETS for the Bibliographical Society, 1935.
no.10 x,108p. illus.(part fold.) 22cm. (Supple-
ment to the Bibliographical Society's Trans- actions, no.10) "Select bibliography" at end of most chapters.