File A Treatise on Plane and Spherical Trigonometry. [D.O. no. 194], circa 1878 Box 22 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Publications, 1863-2001 » Historical » Chauvenet, William.
File [Constellation Charts] Drawer 245 (outsize) In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Publications, 1863-2001 » Historical
File Curtis, Heber Doust. In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Publications, 1863-2001 » Historical
File Definitive Determination of the Orbit of Comet 1898 I. [D.O. no. 209], circa 1902 Box 22 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Publications, 1863-2001 » Historical » Curtis, Heber Doust.
File Miscellaneous Papers by Heber D. Curtis [D.O. no. 197] Box 22 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Publications, 1863-2001 » Historical » Curtis, Heber Doust.
File The New McGregor Building and 70-foot Tower Telescope of the McMath-Hulbert Observatory. [D.O. no. 321 and 343], circa 1940 Box 22 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Publications, 1863-2001 » Historical » Curtis, Heber Doust.
File Recent Changes at the Observatory of the D.O. Mills Expedition. [D.O. no. 199], 1907 Box 22 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Publications, 1863-2001 » Historical » Curtis, Heber Doust.
File The System of Castor. [D.O. no. 198], circa 1906 Box 22 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Publications, 1863-2001 » Historical » Curtis, Heber Doust.
File Temperature Control; Spectroscopic Binaries [D.O. no. 196] Box 22 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Publications, 1863-2001 » Historical » Curtis, Heber Doust.
File Hussey, William J. Logarithmic and other Mathematical Tables (5th ed.) Box 22 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Publications, 1863-2001 » Historical