Seven editorial principles developed by Gilbert Grosvenor in 1915:
1) “Absolute accuracy”
2) “Abundance of beautiful, instructive and artistic illustrations”
3) “Permanent value”
4) “Avoidance of the trivial”
5) “Nothing of a partisan or controversial character”
6) “Avoidance of everything unpleasant or unduly critical”
7) “Timeliness"
(Source: Nourie)