| Private investigators -- Massachusetts -- Boston -- Fiction. Matches 40 items |
| Private investigators -- Massachusetts -- Fiction. Matches 1 item |
| Private investigators -- Massachusetts -- Lowell -- Fiction. Matches 1 item |
| Private investigators -- Massachusetts -- Martha's Vineyard -- Fiction. Matches 14 items |
| Private investigators -- Michigan -- Detroit -- Fiction. Matches 6 items |
| Private investigators -- Michigan -- Fiction. Matches 2 items |
| Private investigators -- Michigan -- Upper Peninsula -- Ficiton. Matches 1 item |
| Private investigators -- Michigan -- Upper Peninsula -- Fiction. Matches 7 items |
| Private investigators -- Minnesota -- Fiction. Matches 29 items |
| Private investigators -- Minnesota -- Minneapolis -- Fiction. Matches 38 items |
