209 



7520 



Gledhlll, Joseph. Measures of Double 

 Stars made at -Mr. Edward Crossley's 

 <])bservatory, Bermerside, Halifax. 

 Loudon, Mon. Not. R. Astr. Soc, 61, 

 1901, (550-561). 



Husaey, W[illiam] J. Micrometrical 

 Observations of the Double Stars Dis- 

 covered at Pulkowa. . . . Berkelev, 

 Univ. Cal., Pub. Lick Obs. 5, 1901, (1- 



221). 



Duplicity of 66 Tauri and 



of the Principal Component of 2 2339. San 

 Francisco, Cal., Pub. Astr. Soc. Pac, 

 13, 1901, (157-158). 



Observations of One 



Hundred [New] Double Stars. Third 

 Catalogue. Astr. J., Boston, Mass., 21, 

 1901, (105-108). [7520]. 



Observations of One 



Hundred Xew Double Stars. Fourth 

 Caraloijn-ie. Berkelev, Univ. Cal., Bull. 

 Lick ' Obs., 12, ' [1901], (82-90). 



[752U]. 



Observations of the Poul- 



kova Double Stars. Observatorv, Lou- 

 don, 24, 1901, (160-162). 



Jedrzejewicz, J. Mesures des etoiles 

 doubles etiectuees eu 1887 a I'Observa- 

 toire astrouomique de Plonsk. IV Sei'ie. 

 Publiee par M. R. Merecki. (Polish). 

 J'race mat.-iiz., Warszawa, 12, 1901, 

 (274-283). 



Struve, Hermaun. Mikrometermes- 

 smigcn von Doppelsternen, ausgefiihrt 

 am 30-zoll. Refractor zu Pulkowa. St. 

 Peterburg, Pulil. Obs. Pidkovo, (Ser. 2), 

 12, 1901, (l-216j. 



Tebbutt, John. Residts of Double- 

 star -Measures with the 8-inch Equatorial 

 at Windsor, Xew South Wales, in the 

 years 1809 and 1900. London, Mon. 

 Xot. R. Astr. Soc, 61, 1901, (501-505). 



7520 LISTS AXD CATALOGUES 

 OF DOUBLE AXD MULTIPLE 

 STARS. 



Aitken, R. G. Xew Double Stars. 

 San Fninciscu, Cal., Pub. Astr. Soc. 

 Pac, 13, lUOl, (161-162). 



■ Third list of new double 



stars discovered and measured witli the 

 3(')-iuch and 12-iuch telescopes of the 

 Lick ()l)servatorv. Astr. Xachr., Kiel. 

 156, 1901, (321-320). [7510J. 



Aitken, R. G. Third List of New 

 Double Stars. . . . Berkeley, Univ. 

 Cal., P.ull. Lick Obs., 3, [1901], 

 (U-21). [7510]. 



• Observations of 194 Double 



Stars . . . Berkelev, Univ. Cal, 

 Bull. Lick Obs., 11, [1901], (66-81). 



[7510]. 



CampbeU, W. W. . . . Eight Xev^- 

 Spectroscopic Binai-ies. San Francisco, 

 Cal., Pub. Astr. Soc. Pac, 13, 1901, 

 (31-33). [8600]. 



. . . Six Stars whose 



Velocities in the Line of Sight are 

 Variable. Berkeley, Univ. Cal., Bull. 

 Lick Obs., 4, [1001], (22-23). 

 [Reprint.] San Francisco, Cal., Pub. 

 Astr. Soc Pac, 13, 1901, (163-164). 

 [8550]. 



Hussey, W. J. New Double Stars. 

 [From Lick Observatory Bulletin.] San 

 Francisco, Cal., Pub. Astr. Soc. Pac, 

 13, 1901, (241-2i2). 



Observations of One Hun- 

 dred [Xew] Double Stars. Astr. J., 

 Boston, Mass., 21, 1901, (105-108). 

 [7510]. 



Observations of One Hun- 



dred Xew Double Stars. Fourth Cata- 

 logue. Berkelev, Univ. Cal, Bull. Lick 

 Obs., No. 12, [1901], (82-90). [7510]. 



Spectroscopic double-stars. 



Berberich, Ardolf;. Die spektmskop- 

 isihi'u 1 )uppel.sterue. Weltall, Berlin, 

 2, 11102, (113-118). [8500]. 



CampbeU, W. W. Observations of 

 . . . 77 Pegasi. [From Berkelev, 

 Univ. Cal., Bull. Lick Obs., 5, 

 [1901], (26).] San Francisco, Cal., Pub. 

 Astr. Soc Pac, 13, 1901, (158-160). 

 [Reprint.] Chicago, 111., Astroph. J. 

 Univ. Chic, 14, 1901, (202-203). [8600]. 



Observations of . . . 



Capella. [From Berkelev, Univ. Cal., 

 Bull. Lick Obs., 6, [1901], (31-32).] 

 San Francisco, Cal., Pub. Astr. Soc. 

 Pac, 13, 1901, (168-170). [8600]. 



Hussey, W. J. Capella . . . [not 

 a telescopic double star]. San Francisco, 

 Cal., Pub. Astr. Soc. Pac, 13. 1901, 

 (150-157). [8600]. 



Vogel, H. C. . . . Mi/.ar. { 'hicatjo, 

 111., .Vstmph. J. Univ. Chic, 13. 19i)l, 

 (.•121 .".2S). [Translation.] [8000]. 



