Per Amica Silentia Lunae. London: Macmillan, 1918. First Edition. Pp vi, 95, uncut. Decorated cloth covers, with gilt decorations by Struge Moore. Ex library copy with label pasted to endpaper, blind stamp to title page, contents pages in good condition.

One of 1500 copies printed.

Yeats’s first “exploration of the symbology of the Anti-Self, or Mask, which he would articulate in greater detail in “A Vision.” In a letter to his father he assigned it secondary status as “a kind of prose backing to my poetry.”