Supplementary index.
Leypoldt, Frederick.
New York : R.R. Bowker Co.,
1874-
Issues for 18-83 published by F. Leypoldt.
Catalogues as supplied by publishers of Books in print.
An index was issued for the year 1902, with supplementary indexes for 1903 and 1904 (1904 includes 1903 material).
Subject guide to books in print, ISSN 0000-0159, issued as index, 1957-   ; Books in print, ISSN 0068-0214, issued as author-title-series index, 1948-1972.
Publishers' catalogs
Uniform trade list annual
Books in print
Subject guide to Books in print