1858-1860, 1858 - 1860
Correspondence (mainly to his mother)
1861, 1861
1862, 1862
1863, 1863
1864, 1864
1865, 1865
1866, 1866
1868-1898, 1868 - 1898
1904, n.d., n.d.
Photographs (3 items, incl. 1 tintype, apparently of Johnson), n.d.
Miscellany, ca. 1862 - 1916