* Earth Words: Musings on DC's Parallel Worlds – Crisis Edition* Crisis on Infinite Earths: The DC Canon A study of landmark series as canonical DC work* Crisis on Infinite Earths: The Continuity Pages* Infinite Crises A list of trades spanning "Crisis on Infinite Earths" to "Infinite Crisis"
* Earth Words: Musings on DC’s Parallel Worlds — Crisis Edition* Кризис на Бесконечных Землях: Канон DC* Crisis on Infinite Earths: The Continuity Pages