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 U (2) Information Utah Mollusk Identification Guide Author/Editor: Eric J. Wagner The Urban Questions: Interdisciplinary and Multiscalar Approaches to Investigating the Ancient Mesoamerican City Author/Editor: Lisa M. Johnson ,Arianna Campiani