Bøger af Frank H. Gaertner

- Twenty-One Central Five-Letter Stems; The Second Seven: RNAST, RNEST, RNEAT, RNEAS, IRAST, IREST, IREAT

- Twenty-One Central Five-Letter-Stems; The First Seven: NEAST, IEAST, INAST, INEST, INEAT, INEAS and REAST

- The Auxiliary Six-letter Stems: Ereast, Lneast, Oneast, Uneast, Ineost, Rneost and Ineosr