[224] Mrs. Gibson, unaccompanied by her sister, has since made two more visits to Mt. Sinai in order to complete the work so auspiciously begun. [225] The following partial list of the works of these erudite twins on subjects connected with Scripture and Oriental literature gives some idea of their extraordinary attainments and of their prodigious activity in researches that are usually considered entirely foreign to the tastes and aptitudes of women. _Some Pages of the Four Gospels Retranscribed From the Sinaitic Palimpsest_, with a translation of the whole text by Agnes Smith Lewis. _An Arabic Version of St. Paul's Epistles to the Romans, Corinthians, Galatians and part of Ephesians._ Edited from a ninth century MS. by Margaret Dunlop Gibson. _Apocrypha Sinaitica._ Containing the Anaphora Pilati in Syriac and Arabic: the Syriac transcribed by J. Rendel Harris, and the Arabic by Margaret Dunlop Gibson; also two recensions of the _Recognitions of Clement_, in Arabic, transcribed and translated by Margaret Dunlop Gibson. _An Arabic Version of the Acts of the Apostles and the Seven Catholic Epistles_, from an eighth or ninth century MS., with a treatise on the Triune Nature of God and translation. Edited by Margaret Dunlop Gibson. Apocrypha Arabica, Edited by Margaret D. Gibson, containing 1, _Kitab al Magall_ or the _Book of the Rolls_; 2, _The Story of the Aphikia Wife of Jesus Ben Sira_ (Carshuni); 3, _Cyprian and Justa_, in Arabic and Greek. _Select Narratives of Holy Women_, from the Syro-Antiochene or Sinai Palimpsest, as written above the Old Syriac Gospels in A. D. 778. Translation by Agnes Smith Lewis. _Apocrypha Syriaca Sinaitica_, being the _Protevangelium Jacobi_ and _Transitus Mariae_, from a Palimpsest of the fifth or sixth century. Edited by Agnes Smith Lewis. _Forty-One Facsimiles of Dated Christian Arabic Manuscripts_, with Text and English Translation, arranged by Agnes Smith Lewis and Margaret Dunlop Gibson, with introductory observations in Arabic calligraphy by the Rev. David S. Margoliouth. _The Didascalia Apostolorum in Syriac_, edited from a Mesopotamian MS, with various readings and collations of other MS, by Margaret Dunlop Gibson. _The Arabic Version of the Acta Apocrypha Apostolorum_, edited and translated by Agnes Smith Lewis, with fifth century fragments of the Acta Thomae, in Syriac. _The Gospel of Isbodad in Syriac and English_, by Margaret D. Gibson. _Acta Mythologica Apostolorum in Arabic_, with translation by Agnes Smith Lewis. For an elaborate and sympathetic account of the labors and discoveries of Mrs. Lewis and her sister, the reader is referred to an article from the pen of the learned Professor V. Ryssel, in the _Schweizerische Theologische Zeitschrift_, XVI, Jahrgang, 1899.