This early work by Frank Schlesinger was originally published in 1927 and we are now republishing...
This early work by Frank Schlesinger was originally published in 1940 and we are now republishing...
This early work by Frank Schlesinger was originally published in 1927 and we are now republishing...
The Præsepe Group: Measurement And Reduction Of The Rutherfurd Photographs
This work has been selected by scholars as being culturally important, and is part of the knowled...
This work has been selected by scholars as being culturally important, and is part of the knowled...
Publications of the Allegheny Observatory of the University of Pittsburgh, Volume 1 presents a de...
Publications of the Allegheny Observatory of the University of Pittsburgh, Volume 1 presents a de...