Author:P. F. Hallock
|←Author Index: Ha||P. F. Hallock|
||This Author page uses initials in the subject's name, rather than fully spelling out each name.
Additional research is required to move this Author page to its full proper title, at which point we can remove this notice.
Articles in Popular Science Monthly
- 1. "Profits of Legitimate Business Not Too Large," in Popular Science Monthly Volume 42, January 1893