"Of the Primer as first published in 1896, and slightly revised in 1909 [5th ed., 1910-6th thousand, 1913] very little remains in this edition. I have...
"Of the Primer as first published in 1896, and slightly revised in 1909 [5th ed., 1910-6th thousand, 1913] very little remains in this edition. I have omitted all contributions from others, have rewriten or dropped nearly all my own work, have added much, and thus have mae an entirely new volume." --Pref. to the edition of 1920.