==Obituaries=====Paul Henry===* AN 167 (1905) 223/224* MNRAS 65 (1905) 349* Obs 28 (1905) 110* PASP 17 (1905) 77 (one paragaraph)===Prosper Henry===* AN 163 (1903) 381/382* MNRAS 64 (1904) 296* Obs 26 (1903) 396 (one paragraph)* PASP 15 (1903) 230==References==
* Джордж Сирл* Норман Томас* Department II (Director: Lorraine Daston)* AN 167 (1905) 223/224* MNRAS 65 (1905) 349* Obs 28 (1905) 110* PASP 17 (1905) 77* AN 163 (1903) 381/382* MNRAS 64 (1904) 296* Obs 26 (1903) 396* PASP 15 (1903) 230