Statistical survey of the learned world
Subtitle: number of persons engaged in scientific and professional occupations arranged by countries
By: compiled by National Roster of Scientific & Specialized Personnel
Published: 1941
Place of publication: Washington, D.C
Language: eng
Number of pages: 10
Subjects: Learning and scholarship
Notes: Reproduced from type-written copy with the exception of one leaf.

"Sources of data": 2 leaves at end.