#1PC author of The P-P-Penguin Patrick Campbell is Patrick Gordon Campbell, 3rd Baron Glenavy, 1913-06-06 to 1980-11-10, humourist and broadcaster (LC 80056885)
#2PC author of A Molly Maguire Story is Patrick H Campbell, born 1934 (LC 92017511)
#3 Campbell, Patrick, illustrator.
#4 Campbell, Patrick, 1935- author of Siegfried Sassoon (LC 92039849)
#5 Campbell, Patrick, 1964- author of Urubamba; full name John Patrick Campbell (LC 2002014616)
#6 Campbell, Patrick, author of Who Killed Franklin Gowen?