Annual Report to Shareholders
Baltimore & Ohio Railroad
| Alabama | 1838-1963 |
| Columbia | 1849, 1851-1853, 1855, 1857, 1859-1863, 1865, 1867-1950 |
| Harvard | 1927-32, 38.| 1958,59, 1953-56,61,62,65,66, 1970, 1849-57,1861-63,1871-73,1891-1949. Microfilm: 1901- 63. |
| Purdue | 1911-1924, 1925-1942, 1943-1963, 1953-1975. |
| MIT | 1872, 1888, 1889, 1890, 1891, 1892, 1893, 1894, 1895, 1896, 1899, 1900, 1901, 1902, 1903, 1904, 1905, 1906, 1907, 1908, 1909, |
| NYPL | 1827 - 1955 |
