n.an acquisition added to an existing series or collectionMugridge 1962, 450Dr. Butterfield here reports the acquisition of 11,000 photocopies from 204 different sources, with more to be processed or procured, but this addendum, large as it seems, is dwarfed by what the four generations have taken pains to preserve.Evans and Gustafson 1975, 230Additions to collections are combined with already existing units. If the addition is very small, it is placed as an addendum to the collection and thus described in the inventory.Murphy et al. 2015, 440Peg Winship then donated an addendum of Winship papers in 2009, and it is this collection that became the focus of Redaction Redux. The addendum consists of two linear feet of papers and contains letters submitted to the “Ask Beth” column; copies of messages sent to the column from readers through the Internet service provider Prodigy in the 1990s; as well as research materials, notes, and some professional letters from organizations.
