BURIEDPROPS outputs a list of all currently buried variables with property lists. Use BURYPROP to bury currently defined property lists in the workspace. Use UNBURYPROP to restore buried property lists to the general workspace.
? PPROP "CAPITAL "NEBRASKA "LINCOLN
? PPROP "CAPITAL "KENTUCKY "FRANKFURT
CAPITAL is [NEBRASKA LINCOLN KENTUCKY FRANKFURT]
? BURYPROP "CAPITAL