Perhaps you should try some spelling variations:
"wikt:interlude" » "witt:interlude", "wit:interlude", "wik:interlude", "wikt:interludio"
"wilt:interlude" » "wilt:interludio", "walt:interlude", "wild:interlude", "wilf:interlude"
"wall:interlude" » "wall:interludio", "hall:interlude", "well:interlude", "all:interlude"
"pitt:interlude" » "pitt:interludio"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("wikt:interlude" OR ("wilt:interlude" OR "wall:interlude")) OR "pitt:interlude")~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"wikt:interlude\" OR (\"wilt:interlude\" OR \"wall:interlude\")) OR \"pitt:interlude\")*".
• Removing quotes may allow a broader search: (( wikt:interlude OR ( wilt:interlude OR wall:interlude )) OR pitt:interlude )*.