Rule of presumption.

Other author United States. Bureau of Immigration.
Format Microform
Publication InfoWashington : [publisher not identified], 1931.
Descriptionvolumes ; cm.
Subjects

SeriesImmigration Bur. Gen. Order No. 170
General noteRecord is based on bibliographic data in CIS Index to U.S. Executive Branch Documents, 1910-1932. Reuse except for individual research requires license from LexisNexis Academic & Library Solutions.
General note[on Immigration Bureau procedures regarding entry of aliens from Mexico and Canada].
Citation/References note CIS Index to U.S. Executive Branch Documents, 1910-1932 Part 4
Reproduction noteJoyner- Microfiche. [Bethesda, Md.]: LexisNexis Academic & Library Solutions, 1997. 11 x 15 cm. (CIS US Executive Branch Documents, 1910-1932 : no. L3.8-170.D, L3.8-174.D).
Govt. docs number L 3.8-170
Govt. docs number L 3.8-174