0. DOCID:13253 1936 "The McDonald Observatory" 0.0206719210412407
1. DOCID:14439 1940 "Abstracts of Papers" 0.0191415910863796
2. DOCID:14366 1940 "The Active Region on the Sun's Surface" 0.0189767491110975
3. DOCID:14629 1941 "Note on an Erroneous Statement Concerning Pre-Nova Stars" 0.0184048685664904
4. DOCID:14797 1942 "Correction" 0.0131540132471396
5. DOCID:13772 1938 "Americans and the Royal Astronomical Society" 0.0118816472047965
6. DOCID:13896 1938 "Magnitudes Again" 0.0111141002184487
7. DOCID:13391 1936 "Stellar Distances and the Expanding Universe" 0.0110946585650052
8. DOCID:13726 1937 "The Ursi Programs of Short-Wave Station W1xal" 0.0102333108569707
9. DOCID:14222 1939 "Where Do Meteorites Come From?" 0.00890949595301208
10. DOCID:13923 1938 "Abstracts of Papers" 0.00756828921445966
11. DOCID:14462 1940 "Increasing the Usefulness of Maps" 0.00727048857259308
12. DOCID:13476 1936 "Note on the Present Sun-Spot Cycle" 0.00674612457538506
13. DOCID:13407 1936 "Lens-Like Action of a Star by the Deviation of Light in the Gravitational Field" 0.0062881683334114
14. DOCID:13953 1938 "Observation of a Lunar Rainbow by Franklin" 0.00607471850388207