British Columbia, the mineral province of Canada, being a short history of mining in the province, a synopsis of the mining laws in force, statistics of mineral production to date, and a brief summary of the progress of mining during 1906

British Columbia, the mineral province of Canada, being a short history of mining in the province, a synopsis of the mining laws in force, statistics of mineral production to date and a brief summary of the progress of mining during 1929

(1930)

Mineral legislation 1958

Hodgson, E. C., (1958)

Mineral resources and mining regulations of Colombia : Outline of the principal mining regions of the country an summary of mining laws and regulations

Jiménez Jaramillo, Jesús, (1933)