Boileau, J. W. (1907). Coal fields of southwestern Pennsylvania, Washington and Greene Counties. Fields of coking coal located in eastern Greene and southeastern Washington Counties, owned and largely controlled by J.V. Thompson. [Pittsburgh?].

Boileau, John W. Coal Fields of Southwestern Pennsylvania, Washington and Greene Counties. Fields of Coking Coal Located in Eastern Greene and Southeastern Washington Counties, Owned and Largely Controlled By J.V. Thompson. [Pittsburgh?], 1907.

Boileau, John W. Coal Fields of Southwestern Pennsylvania, Washington and Greene Counties. Fields of Coking Coal Located in Eastern Greene and Southeastern Washington Counties, Owned and Largely Controlled By J.V. Thompson. [Pittsburgh?], 1907.