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 T (2) Information Trinity High. Big Changes: Big Changes Author/Editor: CNN Lokko Trinity High. Students in Crime: Students in Crime Author/Editor: CNN Lokko