"Notes"(PDF). Bulletin of the American Mathematical Society. 41. Providence, Rhode Island: American Mathematical Society: 178. May 1935. doi:10.1090/S0002-9904-1935-06071-9.
Society, American Mathematical (July 1919). "Notes". Bulletin of the American Mathematical Society. 25. Providence, Rhode Island: American Mathematical Society: 477. doi:10.1090/S0002-9904-1919-03240-6.
"Notes". Bulletin of the American Mathematical Society. 21 (8). Providence, Rhode Island: American Mathematical Society: 419. May 1915. doi:10.1090/S0002-9904-1915-02671-6.
"Notes". Bulletin of the American Mathematical Society. 23 (7). Providence, Rhode Island: American Mathematical Society: 336. April 1917. doi:10.1090/S0002-9904-1917-02963-1.
Society, American Mathematical (July 1919). "Notes". Bulletin of the American Mathematical Society. 25. Providence, Rhode Island: American Mathematical Society: 477. doi:10.1090/S0002-9904-1919-03240-6.
"Notes". Bulletin of the American Mathematical Society. 29 (5). Providence, Rhode Island: American Mathematical Society: 235. May 1923. doi:10.1090/S0002-9904-1923-03715-4.
"Notes"(PDF). Bulletin of the American Mathematical Society. 41. Providence, Rhode Island: American Mathematical Society: 178. May 1935. doi:10.1090/S0002-9904-1935-06071-9.
"Notes and News". The American Mathematical Monthly. 19 (8/9). Mathematical Association of America: 157. August–September 1912. JSTOR2972758.
projecteuclid.org
"Notes". Bulletin of the American Mathematical Society. 21 (8). Providence, Rhode Island: American Mathematical Society: 419. May 1915. doi:10.1090/S0002-9904-1915-02671-6.
"Notes". Bulletin of the American Mathematical Society. 23 (7). Providence, Rhode Island: American Mathematical Society: 336. April 1917. doi:10.1090/S0002-9904-1917-02963-1.
"Notes". Bulletin of the American Mathematical Society. 29 (5). Providence, Rhode Island: American Mathematical Society: 235. May 1923. doi:10.1090/S0002-9904-1923-03715-4.