Botkin, William E., Union Pacific 3985 / by William E. Botkin, Ronald C. Hill, and R.H. Kindig. - 63 pages : illustrations ; 22 cm. ISBN: 091865436X : $9.95 LCCN: 85009929 Subjects--Corporate Names: Union Pacific Railroad. Subjects--Topical Terms: Locomotives--United States. LC Class. No.: TJ603.3.U54 / B68 1985 Dewey Class. No.: 625.2/61/0978