0. DOCID:4246 1899 "The Astronomical and Astrophysical Society of America" 0.0154461003189199
1. DOCID:4656 1901 "The U.S. Naval Observatory" 0.0136800449801993
2. DOCID:4406 1900 "Address of the Chairman of the Department of Astronomy of the British Association" 0.0129345477154297
3. DOCID:5311 1904 "The Crocker Eclipse Expedition of the Lick Observatory" 0.0121359851909501
4. DOCID:3820 1898 "The Development of Photography in Astronomy (II.)" 0.0108337592243896
5. DOCID:4330 1900 "The Astronomical and Astrophysical Society of America" 0.0105738392273447
6. DOCID:4009 1899 "Astronomy in the First Half of the Nineteenth Century" 0.00943409685811839
7. DOCID:5022 1903 "The D. O. Mills Astronomical Expedition" 0.00891481428823256
8. DOCID:4031 1899 "Recent Progress in the Examination of Foods and Drugs" 0.00866922559049631
9. DOCID:4889 1902 "On the Positions of the Northern Circumpolar Stars" 0.00857884569930814
10. DOCID:4278 1900 "An International Plan for the Future Study of the Variation of Latitude" 0.00843755984719494
11. DOCID:5100 1903 "'Mount Pelee.'" 0.00842319050684119
12. DOCID:4626 1901 "Report of the Superintendent of the Naval Observatory" 0.00827368597583705
13. DOCID:5067 1903 "On the Limits of Unaided Vision" 0.00806770933074387
14. DOCID:4594 1901 "The New Star in Perseus" 0.0080576573582898