Real books used as props in Muppet productions.
A Basic Course in American Sign Language by Terrence J. O'Rourke, Carol Padden, Tom Humphries (Sesame Street Episode 1020)
Britain: Stay at an Inn by the British Tourist Authority (The Great Muppet Caper)
The Children: A Personal Record for the Use of Adoptive Parents by Jan De Hartog (1969) (Sesame Street Episode 3090)
Diamond Fairy Tales (Gem Classics Library) (Sesame Street Episode 2321)
Diplomacy by Henry Kissinger (Muppet Treasure Island)
The Face of the Tiger by Ursula Curtiss (Sesame Street Episode 1131 and "What's in Ernie's clothes")
Joy of Cooking by Irma S. Rombauer (Sesame Street: "At Your Library")
New Plays from the Black Theatre, edited and intro by Ed Bullins (Sesame Street Episode 3223)
Niko's Mountains by Maria Gleit (Sesame Street season 15 segment)
The Noble Experiment by Irving Fisher (Sesame Street Episode 1941)
The Politics of Broadcast Regulation (The Muppets "Little Green Lie")
Presumed Innocent by Scott Turow (Sesame Street Episode 2888)
Red Carpet at the White House: Four Years as Chief of Protocol in the Eisenhower Administration by Wiley T. Buchanan, Jr. (Bear in the Big Blue House Episode 323: Read My Book)
Roll River by James Boyd (Sesame Street Episode 1941)
The Tale of Two Bad Mice by Beatrix Potter (Sesame Street Episode 2989)
The Tarot by Alfred Douglas (The Muppet Show episode 501)
The Wall of Years by Andrew M. Stephenson (The Great Muppet Caper)
Wild Horses by Dick Francis (Sesame Street: Episode 4135)