{"value"=>"<p>The agreement summary books contain important information distilled from contracts made between authors, periodicals, and publishing houses. The periodical books are arranged in date groups and are arranged alphabetically by author's last name within these groups. Each page contains contractual information for one title and includes the name of the author, the title of the piece, the manuscript number, the title of the magazine that bought the piece, the date the manuscript was sold, the total amount paid to Russell and Volkening, the publication date, and any rights and similar information. The publisher books contain the same information but for books. These files also include domestic and foreign sales, advances to the author, royalty amounts, and other sale information.</p>"}