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February 6
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1906, in volume 58, pages 5
April 3
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1906, in volume 58, pages 176
May 1
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1906, in volume 58, pages 261
October 2
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1906, in volume 58, pages 429
Weather Predictions
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1906, in volume 58, pages 430
December 4
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1906, in volume 58, pages 509
Report of the Librarian
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1906, in volume 58, pages 582-586
Council for 1907
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1906, in volume 58, pages 593-594
Additions to Museum
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1906, in volume 58, pages 595-601