The majority of volumes are disbound before copying to keep costs down. Photocopies are made on archival paper that meets the ANSI standards for permanence and durability. If there are missing pages in the original, blank pages are inserted in place of the missing pages. The missing pages are requested through interlibrary loan, copied and are later tipped-into the bound preservation photocopy. The binding edge extends 1.5 inches from the text if at all possible.
All volumes are double-fan adhesive bound unless otherwise specified.
A separate page indicating the volume is a preservation photocopy, the vendor and the year copied is inserted at the beginning of the photocopy. Sometimes it is helpful or even necessary to use the edge copier in order to copy certain books. These include tightly bound books, ILL materials , f ragile materials, and Special Collections material. The following steps will help to insure an accurate reproduction of the original. Copy to the end of the book.