University of Guyana Library Search for 'au: Dujardin, R.A'

Diamond resources of British Guiana

Georgetown : Geological Survey, 1957 . 45 p. : ill , Illustrative matter in pocket.

[Georgetown : s.n.], 1959. . 14, [3] p. : ill , Mimeograph.

[Georgetown : Geological Survey Dept.,] 1955. . 5 p., 1 p. of plates : map , Mimeograph.

Georgetown : Geological Survey Department, 1955 . 5p., 1p. of plates : , Mimeograph.