Living things, how to know them
Subtitle: an illustrated key to the phyla, classes and more important orders of plants and animals with suggestions for studying them
By: by H. E. Jaques ...
Edition: Rev. ed.
Series: Pictured-key nature series
Place of publication: Dubuque, Ia
Number of pages: 172
Subjects: Biology.
Notes: "Some helpful reference books": p. 12-13.

6