H. (1 Eylül 1941). "In Memoriam: George Frederic Still, 1868–1941". Archives of Disease in Childhood. 16 (87): i4-149. doi:10.1136/adc.16.87.i4. ISSN0003-9888.
H. (1 Eylül 1941). "In Memoriam: George Frederic Still, 1868–1941". Archives of Disease in Childhood. 16 (87): i4-149. doi:10.1136/adc.16.87.i4. ISSN0003-9888.