0. DOCID:11099 1927 "Research Notes from the Harvard Observatory" 0.0303953671112453
1. DOCID:10721 1925 "On the Daylight Visibility of Stars from a Mine Shaft" 0.0204514570806811
2. DOCID:10508 1925 "Abstracts of Papers Presented at the Madison Meeting, November 9, 10 and 11" 0.01669273428135
3. DOCID:11238 1927 "The Lunar Eclipses of 1927" 0.015630947022239
4. DOCID:10441 1924 "The National Academy of Sciences" 0.0148375087225654
5. DOCID:10626 1925 "The Eclipse of January 24, 1925" 0.0129013329044858
6. DOCID:9714 1921 "The American Philosophical Society" 0.0127619263476386
7. DOCID:10905 1926 "Opening of the Astronomic Hall of the American Museum" 0.0126911416874788
8. DOCID:11120 1927 "On the Origin of Sun-Spot Vortices" 0.0122825115676655
9. DOCID:9449 1920 "Surveying from the Air" 0.0111288381114868
10. DOCID:10789 1926 "Do We Live in a Spiral Nebula?" 0.010073134259755
11. DOCID:11113 1927 "Action Currents from Muscular Contractions during Conscious Processes" 0.0093430674284022
12. DOCID:11116 1927 "The National Academy of Sciences" 0.00929874019973779
13. DOCID:11081 1927 "Babylonian Discovery of the Precession of the Equinoxes" 0.00863500047458113
14. DOCID:9966 1922 "The Mealy-Bug Called Pseudococcus bromeliae, and Other Coccids" 0.00858885952204139