1890 depicting people and events related to Mexican high society. The collection was amassed by Ignacio Conde and donated by Lorenzo Zambrano. This collection includes one album with the imperial seal with over 600 photos of Emperor Maximilian and his wife Carlota. Another has a cover entirely of mother-of-pearl containing images of Benito Juarez and Porfirio Díaz, among others. The Alberto Flores Varela Collection is that of the namesake, who was a photographer from 1919 to 1996. The main theme of his work is liturgical, with images of churches and clegery in and around the Monterrey area. The collection was donated in 1998 by the photographer. The Desiderio Lagrange Collection contains photographs by the namesake and his brother Alfonso. Most of these photos focus on the city of Monterrey, its people and the areas around it. Most date to around 1870 although there are some as late as 1910. It was acquired by the institution in 1963 along with the Jesús R. Sandoval Collection. The Jesús R. Sandoval Collection is that of the namesake who was a professional photographer until his death in 1951. These photos were donated mixed with those of Desiderio Lagrange, which together total 4,000 prints and 38,000 negatives. Most photos are from 1896 to 1940, with most being studio photographs. The Aureliano Tapia Méndez Collection contains over 1,000 print photographs by the namesake and others. Most depict religious life in the Monterrey area from 1920 to the present. The Tecnológico, Campus Monterrey Collection is that from the archives of the main campus of ITESM, with work by many different photographers. It has over 2,000 prints and growing. Most of the photographs are from 1943 to 1985. The archive is the result of many small donations. The Isauro Villareal Garcia Collection contains work by the namesake, a businessman and amateur photographer. It consists of 712 prints and 90 negatives. Most are related to Monterrey landscape, both urban and rural, as well as local family life. The Mario Pani Darqui Collection is related to one of Mexico's most famous architects and is registered in UNESCO's Memory of the World. The collection contains 2,900 photos on paper (including ones taken by the architect's father, Arturo Pani and photographer Guillermo Zamora), 1,400 photos on other media, 1,000 negatives, 56 architectural plans and drawings, 14 books of newspaper clippings, and 13 16 mm films. The collection documents the architect's career extending