This study employed standard sampling theory to make a study of library book losses, but unlike previously reported studies, the investigators instituted periodic searches for volumes missing after the original search. Over a period of two years and nine months, the original figures were cut by more than 60 percent. (Author)

Discussion of shelf reading as a method to maintain library books in their proper location focuses on a statistical approach to determine when shelf reading is necessary. Uses sampling to obtain data on misshelved books over time and develop a control chart to assess when shelf reading is necessary. (Author/LRW)

Estimates are given for the extent of the overlap of the monograph holdings of the Los Angeles and Berkeley campuses with the holdings of other southern and northern campuses. Estimates of the historic usage rates of the overlapped portions of the collections are also given. (Author/PF)