"Reprinted from the Astrophysical journal, Vol. XXXII, No. 5, 1910; Vol. XXXIII, Nos. 1, 2, 3, 4, 5, 1911; and Vol. XXXIV, No. 1, 1911.""Under the auspices of the Carnegie Institution of Washington, D.C."Mode of access: Internet
Reprinted from the Annals of the New York Academy of Sciences, vol. X.Mode of access: Internet
Vita.Thesis (P.H. D.) - Columbia university."Bibliography": p. [101]-102.Mode of access: Internet
"Reprinted from the Astrophysical journal, vol.XI, no.1, January, 1900."Mode of access: Internet
Printed from First series, v. 8 (p. 389-397) of the Decennial publications of the University of Chic...
v. 3. Researches in Stellar parallax by the aid of photography.Mode of access: Internet
"Publications of the Yerkes observatory, vol. IV, part II."Thesis (PH. D.)--University of Chicago, 1...
Printed from First series, vol VIII (p. 1-75) of the Decennial publications of the University of Chi...
Nos. 1-9 reprinted from the Monthly notices of the Royal astronomical society. [No. 10] reprinted fr...
Printed from First series, vol.VIII (p. 79-116) of the Decennial publications of the University of C...
"From the Memoirs of the Royal Astronomical Society, vol. XLVIII."Mode of access: Internet.1
"References for table VII" : p. 43-45.Vita.Thesis (PH. D.) - Columbia university, 1915.Mode of acces...
"Investigations on light and heat, published with aid from the Rumford fund."Half-title.Mode of acce...
First series, 1893-'96. 1902.--Second series, 1898-1905. 1919.Mode of access: Internet
"Reprinted from the Astrophysical journal, vol. XLIII, nos. 4 and 5.""A private edition distributed ...
Appendix to the volume of Greenwich observations for the year 1905.Mode of access: Internet
Reprinted from the Annals of the New York Academy of Sciences, vol. X.Mode of access: Internet
Vita.Thesis (P.H. D.) - Columbia university."Bibliography": p. [101]-102.Mode of access: Internet
"Reprinted from the Astrophysical journal, vol.XI, no.1, January, 1900."Mode of access: Internet
Printed from First series, v. 8 (p. 389-397) of the Decennial publications of the University of Chic...
v. 3. Researches in Stellar parallax by the aid of photography.Mode of access: Internet
"Publications of the Yerkes observatory, vol. IV, part II."Thesis (PH. D.)--University of Chicago, 1...
Printed from First series, vol VIII (p. 1-75) of the Decennial publications of the University of Chi...
Nos. 1-9 reprinted from the Monthly notices of the Royal astronomical society. [No. 10] reprinted fr...
Printed from First series, vol.VIII (p. 79-116) of the Decennial publications of the University of C...
"From the Memoirs of the Royal Astronomical Society, vol. XLVIII."Mode of access: Internet.1
"References for table VII" : p. 43-45.Vita.Thesis (PH. D.) - Columbia university, 1915.Mode of acces...
"Investigations on light and heat, published with aid from the Rumford fund."Half-title.Mode of acce...
First series, 1893-'96. 1902.--Second series, 1898-1905. 1919.Mode of access: Internet
"Reprinted from the Astrophysical journal, vol. XLIII, nos. 4 and 5.""A private edition distributed ...
Appendix to the volume of Greenwich observations for the year 1905.Mode of access: Internet
Reprinted from the Annals of the New York Academy of Sciences, vol. X.Mode of access: Internet
Vita.Thesis (P.H. D.) - Columbia university."Bibliography": p. [101]-102.Mode of access: Internet
"Reprinted from the Astrophysical journal, vol.XI, no.1, January, 1900."Mode of access: Internet