Content Type OA ? PCA ? Books (Back List, Front List) Yes Yes Request a holdings comparison Portico provides a free holdings comparison service to compare a library’s journal or book holdings to the Portico archive. Search titles and ISSNs by keyword: Show: E-Books All0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Titles start with E (1) Information An Exaltation of Parks: John D. Rockefeller Jr.'s Crusade to Save America's Wonderlands Author/Editor: STEVE KEMP