Transactions of the IXth International Congress of Entomology
Subtitle: Amsterdam, August 17-24, 1951
Published: 1952
Place of publication: Amsterdam
Language: eng
Subjects: Entomology; Congresses
Notes: English, French, German, Italian, or Spanish.

Includes bibliographies.
Table of contents: title: v. 1. The Congress. Plenary sessions. Communications at the sectional meetings.; title: v. 2. Symposia.