Bound volume of "pigeongrams" (messages sent by pigeon) from political figures, congratulating Portland Mayor George L. Baker and Oregon Governor Walter M. Pierce on the opening of the Burnside Bridge in Portland, Oregon. The Burnside Bridge opened in May 1926, replacing an older bridge of the same name from the 1890s, and was still operational in 2022.

Collection includes legal documents and correspondence regarding immigrants (including Chinese), labor, politics, transportation, Portland bridges, lumbering, Thomas Ryan Gough's activities during World War II, and various misdemeanor and felony cases.