They are arranged in chronological order. The organizational structure of Part III parallels that of Part II with the following exceptions. Instead, ledgers, journals, and other accounting records can be found in West Orange Laboratory Records, Company Records, and Family Records. Moreover, the Miscellaneous Scrapbook Series is now designated as the Scrapbook Series. Descriptive Targets T argets are editorial aids that appear on the microfilm to assist readers in using the materials in the collection.
Targets introduce each series, each major subseries, and most of the individual volumes and folders.
The series and subseries targets are essentially more detailed versions of the Series Notes in the guide. Also included is a description of the character and contents of the folder or volume and, wherever appropriate, cross-references to related materials. In addition, each target provides a brief characterization of any material in the folder or volume that is not selected The targets preceding the notebooks, account books, and most other bound volumes also contain an enumeration of missing page numbers and of blank pages not filmed. T he editors have tried to keep the targets as concise as possible and to avoid including speculative and subjective judgments about the contents of laboratory notebooks and other complicated technical documents. References to specific technologies in the targets have necessarily resulted in a certain amount of oversimplification because many of the technologies are interrelated.