28
Resources share the relationship contributor to Papp, Robert
- The scarlet stockings spy, Trinka Hakes Noble ; illustrated by Robert Papp
- The amazing mystery show, created by Gertrude Warner Chandler ; illustrated by Robert Papp
- The ghost of the chattering bones, created by Gertrude Chandler Warner ; illustrated by Robert Papp
- The mystery of the orphan train, created by Gertrude Chandler Warner ; illustrated by Robert Papp
- Lanie, by Jane Kurtz ; [illustrations by Robert Papp]
- Lanie's real adventures, by Jane Kurtz ; [illustrations by Robert Papp ; spot art by Rebecca DeKuiper]
- Changes for Caroline, by Kathleen Ernst ; illustrations, Robert Papp ; vignettes, Lisa Papp
- The clue in the recycling bin, created by Gertrude Chandler Warner ; illustrated by Robert Papp
- God, can you hear me?, Justine Simmons ; paintings by Robert Papp
- Encyclopedia Brown and the case of the jumping frogs, Donald J. Sobol ; illustrated by Robert Papp
- The dog-gone mystery, created by Gertrude Chandler Warner ; illustrated by Robert Papp
- The great turkey heist, created by Gertrude Chandler Warner ; illustrated by Robert Papp
- The sword of the silver knight, created by Gertrude Chandler Warner ; illustrated by Robert Papp
- Anna Maria's gift, by Janice Shefelman ; illustrated by Robert Papp
- The Seattle puzzle, created by Gertrude Chandler Warner ; illustrated by Robert Papp
- Caroline takes a chance, by Kathleen Ernst ; illustrations, Robert Papp ; vignettes, Lisa Papp
- Rumble Tum, Stephanie True Peters ; illustrated by Robert Papp
- The secret of the mask, created by Gertrude Chandler Warner ; illustrated by Robert Papp
- The game store mystery, created by Gertrude Chandler Warner ; illustrated by Robert Papp
- The giant yo-yo mystery, created by Gertrude Chandler Warner ; illustrated by Robert Papp
- Caroline's battle, by Kathleen Ernst ; illustrations, Robert Papp ; vignettes, Lisa Papp
- The pumpkin head mystery, created by Gertrude Chandler Warner ; illustrated by Robert Papp
- A surprise for Caroline, by Kathleen Ernst ; illustrations, Robert Papp ; vignettes, Lisa Papp
- The spy game, created by Gertrude Chandler Warner ; illustrated by Robert Papp
- Titanicat, Marty Crisp ; illustrated by Robert Papp
- The ghost in the first row, created by Gertrude Chandler Warner ; illustrated by Robert Papp
- The creature in Ogopogo Lake, created by Gertrude Chandler Warner ; illustrated by Robert Papp
- Caroline's secret message, by Kathleen Ernst ; illustrations, Robert Papp ; vignettes, Lisa Papp