B. J. F. Biggs / National Water and Soil Conservation Organisation (N.Z.)

OCLC:429508501

B.J.F. BIGGS / S.N. FRANCOEUR / A.D. HURYN / R. Young / C.J. ARBUCKLE / C.R. Townsend

OCLC:770428994

B.J.F. BIGGS / R.A. SMITH

OCLC:770437200