Here are several PSA flight checklist covers and images.

Boeing 727 checklist cover (left), DC-9-80 checklist cover (right)

BAe-146 checklist cover.

DC-9 normal and Emergency checklists (left and right, respectively). Click to view at full size.

BAe-146 Flight Standards Manual (cover).

DC-9 (Super 80) Flight Standards Manual. (Dan/Sara Gradwohl)

PSA Flight Attendant Manual. (Dan/Sara Gradwohl)