http://www.slackinc.com/ 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 W (1) ISSN Status Workplace Health & Safety 2165-0799, 2165-0969 preserved