- Missing persons + Investigation -- Pacific Crest Trail
- Missing persons + Investigation -- Drama
- Missing persons + Investigation -- United States -- Fiction
- Missing persons + Investigation -- New York (State) -- New York -- Drama
- Missing persons + Investigation -- Argentina -- Buenos Aires -- Comic books, strips, etc
- Missing persons + Investigation -- California
- Missing persons + Investigation -- California -- San Francisco -- Fiction
- Missing persons + Investigation -- Juvenile sound recordings
- Missing persons + Investigation -- England -- Sussex -- Fiction
- Missing persons + Investigation -- California -- Los Angeles -- Fiction
- Missing persons + Investigation -- California, Northern -- Fiction
- Missing persons + Investigation -- Ireland
- Missing persons + Investigations -- Fiction
- Missing persons + Investigation -- California -- Fiction
- Missing persons + Investigation -- Scotland -- Drama
- Missing persons + Investigation -- West Virginia -- Fiction
- Missing persons + Investigation -- Oklahoma -- Case studies
- Missing persons + Investigation -- England -- London -- Juvenile fiction
- Missing persons + Experiments -- Juvenile fiction
- Missing persons + Investigation -- Comic books, strips, etc
- Missing persons + Investigation -- Illinois -- Bolingbrook -- Drama
- Missing persons + Investigation -- New York (State) -- Fiction
- Missing persons + Investigation -- Germany -- Berlin -- Drama
- Missing persons + Investigation -- Southern States -- Fiction
- Missing persons + History
- Missing persons + Experiments -- Comic books, strips, etc
- Missing persons + Investigation -- United States
- Missing persons + Investigation -- California, Northern -- Fiction
- Missing persons + Investigation -- New York (State) -- New York -- Case studies
- Missing persons + Investigation -- England -- Drama
- Missing persons + Legal status, laws, etc -- United States
- Missing persons + Investigation -- Juvenile fiction
- Missing persons + Investigation -- Antarctica -- Fiction
- Missing persons + Investigation -- California -- San Francisco -- Drama
- Missing persons + Investigation -- Virginia -- Fiction
- Missing persons + Investigation -- Sweden -- Stockholm -- Fiction
- Missing persons + Investigation -- North Dakota -- Fort Berthold Indian Reservation
- Missing persons + Investigation -- Korea (South) -- Seoul -- Drama
- Missing persons + Investigation -- California -- Drama
- Missing persons + Investigation -- United States -- Drama
- Missing persons + Investigation -- New York (State) -- New York -- Fiction
- Missing persons + Investigation -- England -- London -- Drama
- Missing persons + Investigation -- Saskatchewan -- Case studies
- Missing persons + Investigation -- Scotland -- Edinburgh -- Fiction