Material (including some plant specimens) inserted between the leaves of the items in the following series II.B, II.C, III.A, III.B, III.C, and III.D has been extracted and is filed in “Harper Papers, Series II.B-III.D, Box 1, Field and Research Notes Extracts.” The folder containing the insert lists the original location of the extracts. Those items yielding extracts are so labeled (buff markers indicate inserts removed to “Field and Research Notes Extracts, Box 1”).