Box 3 Publication Date Type:
s single known or probable date - date in Box 4 only
c two dates: publication date and copyright date - date in Box 4 and Box 5
r two dates: reissue date and original date - date in Box 4 ; may have date in Box 5
m multiple dates (i.e., initial and terminal dates) - date in Box 4 and Box 5
q questionable dates - date in Box 4 and Box 5
PUBLICATION DATE TYPE PRECEDENCE TABLE | |
IF | USE |
r and s | r |
r and c | r |
r and m | r |
r and q | r (unless reproduction date has digit(s) missing, then use q) |
m and c | m |
m and q | m (unless beginning date has digit(s) missing, then use q) |
q and c | q |
r takes precedence over all codes, except q when the primary date lacks digit(s);
m takes precedence over q, except with the primary date lacks digit(s);
m takes precedence over c;
q takes precedence over c.