2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/164189This is part one of a series of four methodological papers on (bi)quaternions and their use in theoretical and mathematical physics: 1- Alphabetical bibliography, 2- Analytical bibliography, 3- Notations and terminology, and 4- Formulas and identities. This quaternion bibliography will be further updated and corrected if necessary by the authors, who welcome any comment and reference that is not contained within the list.110 pages, 1 figure. Updated from 1300 to 1430 references. Numerous corrections madeMathematical Physicstext