Vol. 28 No. 2 (1950)

M M MACINTYRE

ERWIN N GRISWOLD

FREDERICK C CRONKITE, N AM MACKENZIE

CECIL A WRIGHT, N AM MACKENZIE

VINCENT C MACDONALD, N AM MACKENZIE

ERWIN N GRISWOLD, N AM MACKENZIE

D HUGHES PARRY, N AM MACKENZIE

GILBERT D KENNEDY, WOLFE D GOODMAN, J D ARNUP

WILLIAM J HULBIG

D W HILLAND, WILLIAM W COGHLIN

E L HAINES, STANLEY J REMNANT, S TUPPER BIGELOW, W A RIDDELL, ANDREW RANKIN, HAROL G FOX