The United States Naval Observatory Eclipse Expedition
1905 ◽
Vol 92
(25)
◽
pp. 503-504
1901 ◽
Vol 14
(360)
◽
pp. 819-820
1949 ◽
Vol 164
(4161)
◽
pp. 177-177
E. Powers
◽
A. Gifford
◽
P. Wheeler
Sharyl Byram
◽
Christine Hackman
1933 ◽
Vol 14
(1)
◽
pp. 52