1. Field notes on birds observed in Dakota and Montana along the forty-ninth parallel during the seasons of 1873 and 1874 Author(s): Coues, Elliott, 1842-1899 Publication: Washington : [G.P.O.?], 1878 Subject(s): BirdsNorth DakotaMontana
2. Notes on the herpetology of Dakota and Montana Author(s): Coues, Elliott, 1842-1899 Publication: Washington : [G.P.O?], 1878 Subject(s): ReptilesAmphibiansNorth DakotaSouth DakotaMontana
