Hays, Samuel P.
Overview
| Works: | 1 works in 0 publications in 0 languages | |
|---|---|---|
Titles
Conservation and the gospel of efficiency = the progressive conservation movement, 1890-1920 /
by:
NetLibrary, Inc.; Hays, Samuel P.
(Electronic resources)
Conservation and the gospel of efficiency : = the progressive conservation movement, 1890-1920 /
by:
Hays, Samuel P.
(Language materials, printed)