https://www.ipsonet.org/ Download this publisher's e-journal holdings (xlsx) Content Type OA ? PCA ? Journals 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-Journals All0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Titles start with S (2) ISSN Status Security & Intelligence 2472-3614 preserved Space Education & Strategic Applications 2693-2466 preserved