The organization of knowledge in libraries and the subjectapproach to books,

von Bliss, Henry Evelyn, n. 1870
New York, The H. W. Wilson, 1934.
Umfang/Format: xvi, 335 p. 23 cm.

The organization of knowledge and the system of the sciences,

von Bliss, Henry Evelyn, n. 1870
New York, H. Holt and company [1929].
Umfang/Format: xx, 433 p. illus. diagrs. 23 cm.

A system of bibliographic classification

von Bliss, Henry Evelyn, n. 1870
New York : The H. W. Wilson company, 1936.
Umfang/Format: x, 343 S. ; 27 cm.