Global ETD Search

About
The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

1	Gegenschein Observations Douglass, A.E. January 1894 (has links) No description available. Gegenschein astronomy Douglass Lowell
2	Photographs of the Zodiacal Light Douglass, A.E. January 1900 (has links) No description available. Douglass astronomy Zodiacal light photograph observations gegenschein
3	Photographs of the Zodical Light Douglass, A.E. 01 April 1901 (has links) No description available. Douglass astronomy photograph zodiacal light Gegenschein