Keywords: Immigrants Pictorial works ; Illegal aliens Pictorial works ; Mexicans Pictorial works ; Central Americans Pictorial works ; Immigrants Quotations ; Political activists Quotations ; Mexican-American Border Region Pictorial works ; United States Pictorial works Emigration and immigration ; Mexico Pictorial works Emigration and immigration ; Mexican-American Border Region Biography ; Miscellanea ; Bildband ; Bildband ; USA ; Staatsgrenze ; Mexiko ; Illegaler Einwanderer ; Fotografie ; Grenzschutz ; Freiwilliger