Skylark of Valeron: Skylark Book 3

Skylark DuQuesne: Skylark Book 4

The Institute: A Novel

Skylark Three: Skylark Book 2

E.E. 'Doc' Smith SF Gateway Omnibus: The Skylark of Space, Skylark Three, Skylark of Valeron, Skylark DuQuesne

Bloodhype

Forever Free: Forever War Book 3

Galactic Patrol

The King of the Swords

The Triumph of Time: Cities in Flight Book 4

Second Stage Lensmen

Sailing Bright Eternity: Galactic Centre Book 6

The Stainless Steel Rat Gets Drafted: The Stainless Steel Rat Book 7

Gray Lensman