Olof Ohlson

Mercantile Navy List and Maritime Directory

• Categories: Ship registers

• Type: Book
• -
• Published: 1919
• -
• Publisher: Unknown

None

Official Gazette of the United States Patent Office

• Author(s): United States. Patent Office

• Categories: Patents

• Type: Book
• -
• Published: 1914
• -
• Publisher: Unknown

None

Amateur Radio Stations of the United States

• Categories: Amateur radio stations

• Type: Book
• -
• Published: 1920
• -
• Publisher: Unknown

None

Scientific Canadian Mechanics' Magazine and Patent Office Record

• Author(s): Canada. Patent Office

• Categories: Copyright

• Type: Book
• -
• Published: 1895
• -
• Publisher: Unknown

None

Annual Report of the Commissioner of Patents

• Author(s): United States. Patent Office

• Categories: Agriculture

• Type: Book
• -
• Published: 1920
• -
• Publisher: Unknown

Prior to 1862, when the Department of Agriculture was established, the report on agriculture was prepared and published by the Commissioner of Patents, and forms volume or part of volume, of his annual reports, the first being that of 1840. Cf. Checklist of public documents ... Washington, 1895, p. 148.