A.P.I. Party at Shady Oak Farm
Fort Worth Star-Telegram
1940-06-09
TCU
1940-06-23
1940-06-22
1940-06-25
1940-06-08
1940-06-14
1940-06-16
1940-06-30
1940-07-02
Telegram re: American Petroleum Institute
Wheeler, Charles A.
1924-10-21
1940-06-02
1940-06-04
Meisel Photo
1940-06-01
1940-06-03
1940-06-05
1940-06-06
1940-06-10
Article re: A.P.I. convention
Oil and Gas Journal
1925-09-03
1940-06-17
1940-06-20
1940-05-29
Article re: American Petroleum Institute convention
Leffler, Chester F.
1924-10-08
Dirks, Martin H.
1940-06-11
1940-06-12