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March 19
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1918, in volume 70, pages 72
Report of the Sections
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1918, in volume 70, pages 356-359
Council for 1919
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1918, in volume 70, pages 359
Elections in 1918
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1918, in volume 70, pages 360