This series consists of incoming correspondence and copies of outgoing letters arranged alphabetically by correspondent. Dates span 1823 to 1968 with some undated material. This is not entirely complete as Bowman often filed letters in the subject files he compiled for research projects. Some letters are filed in the Addresses, Speeches (Series 3), Writings (Series 4) and the Research Notes (Series 5).

This series consists of incoming correspondence and copies of outgoing letters arranged alphabetically by correspondent. Dates span 1823 to 1968 with some undated material. This is not entirely complete as Bowman often filed letters in the subject files he compiled for research projects. Some letters are filed in the Addresses, Speeches (Series 3), Writings (Series 4) and the Research Notes (Series 5).

This series consists of incoming correspondence and copies of outgoing letters arranged alphabetically by correspondent. Dates span 1823 to 1968 with some undated material. This is not entirely complete as Bowman often filed letters in the subject files he compiled for research projects. Some letters are filed in the Addresses, Speeches (Series 3), Writings (Series 4) and the Research Notes (Series 5).

This series consists of incoming correspondence and copies of outgoing letters arranged alphabetically by correspondent. Dates span 1823 to 1968 with some undated material. This is not entirely complete as Bowman often filed letters in the subject files he compiled for research projects. Some letters are filed in the Addresses, Speeches (Series 3), Writings (Series 4) and the Research Notes (Series 5).

This series consists of incoming correspondence and copies of outgoing letters arranged alphabetically by correspondent. Dates span 1823 to 1968 with some undated material. This is not entirely complete as Bowman often filed letters in the subject files he compiled for research projects. Some letters are filed in the Addresses, Speeches (Series 3), Writings (Series 4) and the Research Notes (Series 5).