"Karlag camp document, 1934: This is a lengthy statement which describes general goals of the labor columns, their composition, and the organization of production. It also includes information regarding rights and responsibilities of labor column's head and its financial accounting.

Karlag camp document, 1934: The document discusses the advantages of organizing a new camp labor subdivision named "labor column".

Karlag camp document, 1931: The document discusses the problem of inmate escapes. It stresses that the Chiefs of Guards were not successful in preventing the considerable growth of escapes.