This subseries includes individual letters and notes written to and from Esther Mechler, as well as several in which she is neither correspondent. The majority are about animal-related issues and written to publications, political figures, fellow activists, or friends. This subseries is arranged chronologically with undated letters at the end. The undated letters are further divided between outgoing and incoming correspondence, and then arranged alphabetically.

This subseries contains correspondence written between Esther Mechler and several individuals involved in the animal rights movement. This includes letters and notes, as well as clippings, more substantial writings and the drafts of to-be-published works which accompanied them. It is organized alphabetically by sender and then chronologically.

The Individuals subseries consists of animal-related writings authored by individual people which may or may not have been published. They are arranged alphabetically by the name of the author.

The Organizations subseries contains written materials related to animals, animal protection, or animal rights which were published by or for various organizations. Pamphlets and brochures are included, as well as more substantial writings. They are organized alphabetically by name of the organization.

The Periodicals subseries consists of various periodical magazines and newsletters related to animals and animal rights. Many are the publications of animal rights organizations, but some are more general publications. Accompanying some of the publications are Mechler's handwritten notes about the content. These materials are arranged alphabetically by periodical title and then chronologically within each title category, with notes following the title to which they pertain.

The Clippings subseries includes clipped and copied articles and columns collected by Esther Mechler. They are divided into general subject categories and these larger subjects are then arranged alphabetically. Clippings of articles by or about Mechler are included.

This subseries contains books about animal rights collected by Esther Mechler. The volumes have been integrated into the library's collection. Please check the NCSU library catalog for call number and availability.

This subseries contains papers documenting the process of creating the filmstrip "Animal Rights: The Issues, the Movement." This includes background information, drafts of the script and teacher's guide, correspondence about obtaining slides and reviewing/editing drafts, artwork (including artwork created by the filmstrip's artist not used in this project), financial records, and the final product-a filmstrip with an audio-cassette and teacher's guide-in several different packagings. (Due to space and size constraints, the filmstrip from the third set is has been separated and is located in Box 14.) Also included in this subseries are correspondence and legal paperwork connected to Esther Mechler's copyright dispute with The Animal Rights Network (ARN) about the filmstrip.

This subseries consists of documents concerning the production of Wildlife Calendars for 1986 and 1987. Coordinated by Esther Mechler, this project was a collaborative effort between Esther Mechler's Animal Rights Associates and Luke Dommer's Committee to Abolish Sport Hunting (CASH) in 1986, and an Animal Rights Associates project in 1987. Included are chronologically arranged correspondence, some of which contains drafts of text or artwork, as well as a variety of other materials, including other text and art drafts, contracts, and the final 1986 calendar.