B/X Companion
Tags: 15th level, 16th level, 17th level, 18th level, 19th level, 20th level, 21st level, 22nd level, 23rd level, 24th level, 25th level, 26th level, 27th level, 28th level, 29th level, 30th level, 31st level, 32nd level, 33rd level, 34th level, 35th level, 36th level
Running Beagle Games: D&D / Basic 1 (2010 )

Dungeons & Dragons Set 4: Master Rules
Tags: 26th level, 27th level, 28th level, 29th level, 30th level, 31st level, 32nd level, 33rd level, 34th level, 35th level, 36th level
TSR: D&D / Basic 2 (1985 Box)

M1: Into the Maelstrom
Tags: 25th level, 26th level, 27th level, 28th level, 29th level, 30th level
TSR: D&D / Basic 2 (1985 )

Dungeons & Dragons Rules Cyclopedia
Tags: 10th level, 11th level, 12th level, 13th level, 14th level, 15th level, 16th level, 17th level, 18th level, 19th level, 1st level, 20th level, 21st level, 22nd level, 23rd level, 24th level, 25th level, 26th level, 27th level, 28th level, 29th level, 2nd level, 30th level, 31st level, 32nd level, 33rd level, 34th level, 35th level, 36th level, 3rd level, 4th level, 5th level, 6th level, 7th level, 8th level, 9th level
TSR: D&D / Basic 3 (1991 Hardcover)

E2: Kingdom of the Ghouls
Tags: 24th level, 25th level, 26th level, 27th level, epic tier, Raven Queen, Shadowdark, Shadowfell
Wizards of the Coast: Dungeons & Dragons 4 (2009 )

E3: Prince of Undeath
Tags: 27th level, 28th level, 29th level, 30th level, Abyss, Elemental Chaos, epic tier, Orcus, Raven Queen
Wizards of the Coast: Dungeons & Dragons 4 (2009 )