Arthur Searle Oliver Charles Pickering

Photometric Measurements of the Variable Stars B Persei and DM. 81>0 25, Made at the Harvard College  Arthur Searle Oliver Charles Pickering Paperback. Wentworth Press, 2019-03-04 ISBN 9780526815418     Photometric Measurements of the Variable Stars B Persei and DM. 81>0 25, Made at the Harvard College  Arthur Searle Oliver Charles Pickering Hardback. Wentworth Press, 2019-03-04 ISBN 9780526815425     Photometric Measurements of the Variable Stars B Persei and DM. 81>0 25, Made at the Harvard College  Arthur Searle Oliver Charles Pickering Hardback. Palala Press, 2016-05-16 ISBN 9781356621569     Photometric Measurements of the Variable Stars B Persei and DM. 81>0 25, Made at the Harvard College - Scholar's Choice Edition  Arthur Searle Oliver Charles Pickering Paperback. Scholar's Choice, 2015-02-19 ISBN 9781298353887     Photometric Measurements of the Variable Stars B Persei and DM. 81>0 25, Made at the Harvard College  Arthur Searle Oliver Charles Pickering Paperback. BiblioLife, 2009-08-20 ISBN 9781113510471