This document lists 5 references for exploring the SOLO taxonomy: 1) A blog post reflecting on using SOLO taxonomy and hexagonal learning in BTEC PE; 2) A recommended reading page for the book "SOLO Taxonomy: A guide for schools"; 3) An 8 minute introductory presentation on SOLO taxonomy; 4) A blog with posts on using SOLO taxonomy; 5) Another blog containing reflections on learning and teaching, including some posts on SOLO taxonomy.