其他書名 | What We Ought to Know about Agriculture--fisheries--forests--Panama Canal--railroads--manufactures--automobiles--industrial Preparedness--the New Navy--the Army--our Money--aeronautics--motion Pictures--the Weather--astronomy--the Nation's Capital--the President--Congress--all about the Government |
出版 | Munn & Company, 1918 |
URL | http://books.google.com.hk/books?id=Zgg9AAAAYAAJ&hl=&source=gbs_api |