Article on "Despotic ways of Liberian Post Office Officials" 1912
F.L. Helm's correspondence - between Helm in Liberia and family in USA. 1927-1946.
Liberia extracts from St. Martins Le Grand, Volume 40, 1930.
List of Post Offices of Liberia from UPU Directory of 1995
The Official Postal Guide for Liberia published in 1923.
Extracts from PHI No.4 1975- A West African Circulation List of 1886 regarding the Post Office.
Extracts from PHI vol.8 1979- List of Post Offices of Liberia from the Universal Postal Union.
Postal Rates in March 1937
The Liberian Post Office Image