1) Campbell, John R., 1933- Animal sciences :
2) Campbell, John R., 1951-10-14 - Post-disaster assessment
3) Campbell, John R., 1957-03-29 - Absence and light
#4 John Emory Campbell - BTLS
#5 John R. Campbell - In Touch with Students
#6 John R. Campbell, editor - Art & Physique magazine
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