Douglas Winston submitted a 1969 cite for "vac-suit" from Richard C. Meredith's "We all Died at Breakaway Station". Mike Christie checked the cite in the 1968 first publication, and it doesn't appear there. Douglas Winston submitted a 1982 cite for "vacsuit" from Michael McCollum's "A Greater Infinity". Douglas Winston submitted a cite for "vac suit" from a 1997 reprint of David Weber's 1993 "On Basilisk Station". Fred Galvin submitted a cite for "vac-suit" from a 1959 reprint of Leigh Brackett's 1944 "Terror Out of Space". Fred Galvin submitted a 1942 cite for "vac suit" from Leigh Brackett's "Child of the Sun". Fred Galvin submitted a 1967 cite from Keith Laumer's "Spaceman!".