When Ron Swanson and Ann Perkins are sat on the bench in Ron's office at the end of the conversation Ron starts to read a book. The book he reads is "Paddle Your Own Canoe" by Nick Offerman, who is the actor who plays Ron Swanson.
Perd's full name is revealed to be Perdrick L. Hapley.
Ned Jones is played by Carl Reiner, creator of The Dick Van Dyke Show (1961) some 50 years earlier and a comedy giant in his day. He is 89 years old at the time of production making him the oldest actor in the series with a substantial supporting role or with any speaking part for that matter.
The book that April is reading during the meeting in the Parks and Recreation department offices is called Air Force None.
The news paper in Arabic head bulletin reads: Washington sales Saudi Arabia F15 Jet planes in the midst of World War 3 within the gulf region, Israel and Palestin to held peace talks in Jordan with Qatar monitoring.