The first set are numbered and arranged according to A Catalogue of Lantern Slides for the Use of High Schools, Academies, College and Universities (Supplement No. 1) and Lantern Slides for Educational Institutions (Supplement No. 3) by George R. Swain. Slides in this set can be matched to the indexes within the above publications. The slides were available for purchase and use by educational institutions. The series information was derived and matched from the catalogs.