SCIENCE--BIBLIOGRAPHY--CATALOGS.
Sotheran, firm, booksellers, London.
Bibliotheca chemico-mathematica: catalogue of works in many tongues on exact and applied sci- ence, with a subject-index. Compiled and anno- tated by H.Z. and H.C.S. London, H.Sotheran, 1921.
2v.(xii,964p.) plates,ports.,facsims. 2hcm. 17,397 entries. Priced. "List of authorities consulted": p.CxilJ-xii.
---- -----. First supplement. London, H.Sotheran 1932.
xii,496p. @ ports. 2hem. MB