The Golden Key

From Author Wars - https://authorwars.com/publications/the-golden-key-614206.html

Overview:

Title: The Golden Key
Author: George MacDonald
Year: 1890
Publisher: D. Lothrop
Price: $
Pages: 72
Binding: Hardcover
Type: Chapter Book
Title Reference: The Golden Key
Notes: New edition (earliest found in WorldCat library records 2017-04-17)

Publ date inferred from listing SF Chronicle 1890-11-23 p7 "New Books Received" (no price) And notice The Sun (Baltimore) -11-27 p3 "New Publications" (no price): "... attractive booklet form. The tale is used in the literature class of Wellesley College."

Boston: Lothrop, 72 pages, 17 cm --agree all three WorldCat library records, {{OCLC|12698926}} (as "[1886?]"), {{OCLC|607921049}} (as "[18--?]"), and {{OCLC|501174758}} (as "[19--]")