| Private investigators -- California -- Los Angeles -- Drama. Matches 1 item |
| Private investigators -- California -- Los Angeles -- Fiction. Matches 7 items |
| Private investigators -- California -- San Francisco -- Drama. Matches 1 item |
| Private investigators -- California, Southern -- Fiction. Matches 1 item |
| Private investigators -- Egypt -- Fiction. Matches 1 item |
| Private investigators -- England -- Drama. Matches 3 items |
| Private investigators -- England -- Fiction. Matches 21 items |
| Private investigators -- England -- London -- Drama. Matches 3 items |
| Private investigators -- England -- London -- Fiction. Matches 3 items |
| Private investigators -- England -- Oxford -- Fiction. Matches 1 item |