So that's man!
By: by R. Ray Baker ; photos. by E.N. Stanger.
Series: Bobby and the Old Professor ;; book 6
Publisher: Reilly & Lee
Published: 1949
Place of publication: Chicago
Language: eng
Number of pages: 125
Subjects: Evolution.; Human beings -- Origin.; Prehistoric peoples.; Prehistoric peoples.
Notes: Includes index.
"Publisher's note: The scientific adventures of Bobby and the Old Professor (and sometimes Julia) appeared originally in newspapers published by Booth Newspapers, Inc."--verso t.p.