English: http://institutotierrasanta.com/ins/Index.asp?idMenu=3

In this link is told that in " En 1878 es nombrado Comisario de la custodia de Tierra Santa en Argentina el Padre Fray Luis Rossi Desideri" and that two piece of ground that the owner was Federico Lacroze gave one of them to the benefit society Damas de la Merced".sta sociedad se proponía construir una capilla que sirviese como centro cristiano para los pobladores del lugar. Sin embargo el proyecto no pudo concretarse. Father Rossi helped the proyect with the condition that a house for the father Franciscanos of Holy Land and a school for children,

THe fundamental stone was put the February 12th of 1882 with the presence of Arzobispo bishop of Buenos Aires Monseñor Aneiros. The church would be edificated in honour and glory of God y under the advocation of Nuestra Señora de la Merced de Sión y of the Saints Patricio y Antonio de Padua,. in Billinghurst and the PIEDAD (TODAY is Bartolome Mitre street) was based the building Primary School with complete journey High School , details are read in the blue big advertsment