Langford, David
Chronological Checklist
Series – Critical Assembly
- Critical Assembly: The First 50 White Dwarf Columns (Reading, Berkshire: Ansible Information, 1987)
- Critical Assembly II: The Rest of the White Dwarf (and GM, and GMI) Review Columns (Reading, Berkshire: Ansible Information, 1992)
- The Complete Critical Assembly: The Collected White Dwarf (and GM, and GMI) SF Review Columns (Gillette, New Jersey: Wildside Press/Cosmos Books, 2001)
- The Complete Critical Assembly: The Collected White Dwarf (and GM, and GMI) SF Review Columns (Reading, Berkshire: Ansible Editions, 2015)