An Unabridged, Unaltered Printing of the Second Edition to Include All Parts of the Following Upanishads: Isa-Upanishad - Katha-Upanishad - Kena-Upanishad, Taken From the Original Sanskrit Text with Preface and Introduction. Это и многое другое вы найдете в книге The Upanishads (Swami Paramananda)