L The Light of Divine Guidance (Volume 1) Effendi Shoghi The Light of Divine Guidance (Volume 1) Effendi Shoghi
S The Seven Valleys and the Four Valleys Bahá'u'lláh The Seven Valleys and the Four Valleys Bahá'u'lláh
G Gleanings from the Writings of Bahá'u'lláh Bahá'u'lláh Gleanings from the Writings of Bahá'u'lláh Bahá'u'lláh