Content Type OA ? PCA ? Books No 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 J (1) Information Josephine Mellen Ayer: Un Journal Author/Editor: Bill F. Ndi ,Koua Viviane