Annual Report to Shareholders
Bell Telephone of Pennsylvania
Alabama | 1927-1966, 1968-1975 |
Columbia | 1907-1961 |
Harvard | 1953-54,56-84. |
Purdue | 1962-1979. |
MIT | 1931, 1932, 1933, 1934, 1935, 1936, 1937, 1938, 1939, 1940, 1941, 1942, 1943, 1944, 1945, 1946, 1947, 1948, 1949, 1950, 1951, |
NYPL | 1905-1958 ( .) |