by BOONE, D. A, HARLAN, J. S, BURGESS, E. M
Published in Journal of rehabilitation research and development (1994)

by Sidles, John A., Boone, David A., Harlan, Jon S., Burgess, Ernest M.
Published in Journal of prosthetics and orthotics (01.04.1989)

by SR. HARLAN J. MCFADGEN
Year of Publication 03.09.1935

by ANDREW J. HARLAN, SR
Year of Publication 25.08.1914

by HARLAN J,US
Year of Publication 12.02.1974

by HARLAN J,US, ANGUS W,US
Year of Publication 15.05.1973

by PETTIT D,GB, CARTER A,GB, HARLAN J,US, BLACKWELL F,GB
Year of Publication 16.07.1974

by By J. Ernest Beazley and Harlan S. Byrne
Published in The Wall Street journal. Eastern edition (18.01.1985)

by BYKER, HARLAN J, BECHTEL, JON H
Year of Publication 06.09.1995