THIS 1XX FIELD CANNOT BE USED UNDER RDA UNTIL THIS UNDIFFERENTIATED RECORD HAS BEEN HANDLED FOLLOWING THE GUIDELINES IN DCM Z1 008/32

[Superintendent of steamboat line]

NUCMC data from Maine Historical Society for Songo River steamboat line collection, [187-]-[192-] (Martin O'Brien; superintendent of Songo River Line; steamboat line; Naples, Me.; 1922-1929)

[Co-author of An inventory of vegetation cover on stream frontages in Victoria]

An inventory of vegetation cover on stream frontages in Victoria, 1986: t.p. (Martin O'Brien)