• written by subject experts -- scholars and/or researchers -- who are in academe and are also popularizers and communicators •

• written by subject experts -- scholars and/or researchers -- who are in academe •

• autobiographies, memoirs, biographies, 'creative non-fiction', and (depending on one's perspective or point-of-view) semi-fiction or 'fictionalized non-fiction' •

• written by journalists, writers (general), commentators, critics, and advocates/campaigners/activists •

• conference proceedings, theses, dissertations, presentations, etc. •