31. That means books and paper and pencils and chalk. 32. He has co-authored more than 150 books and papers . 33. He ran his general practice for 30 years, and published several medical books and papers . 34. The papermakers'party is also dampened a bit by the development of electronic books and papers . 35. Crammed way back under the eaves was a bunch of old ledger books and papers . 36. Milch and his staff later bought many of Parker's books and papers for the show. 37. As his scholarly books and papers attest, Burridge has conducted fieldwork in missionaries and missiology. 38. Many books and papers give a list of these groups, some of them an incomplete one. 39. Death found him in the midst of his books and papers working cheerfully amongst his family. 40. There is also a collection of books and papers donated by the Venetian poet, Mario Stefani.