Home › Authors › London Swedenborg Society 👤 London Swedenborg Society 3 books Books by London Swedenborg Society Principia or the First Princip Principia or the First Principles of Natural Things 2023 [Emanuelis Swedenborgii] [Auto [Emanuelis Swedenborgii] [Autographa] 1901 Index to Swedenborg's Arcana c Index to Swedenborg's Arcana cœlestia; or, Heavenly mysteries 1865