Soulé, J. H. (1889). The United States blue book: A register of federal offices and employments in each state and territory and the District of Columbia, with their salaries and emoluments (5th ed.). Washington, DC: J.H. Soulé, publisher.

Soulé, J. H. The United States Blue Book: A Register of Federal Offices and Employments in Each State and Territory and the District of Columbia, With Their Salaries and Emoluments. 5th ed. Washington, DC: J.H. Soulé, publisher, 1889.

Soulé, J. H. The United States Blue Book: A Register of Federal Offices and Employments in Each State and Territory and the District of Columbia, With Their Salaries and Emoluments. 5th ed. Washington, DC: J.H. Soulé, publisher, 1889.