Columbia subject headings:
Architectural photography--Mexico--Mexico City.
Artists' books.
Documentary photography--Mexico--Mexico City.
Holzfeind, Heidrum--Photograph collections--Catalogs.
Mexico City (Mexico)--Pictorial works.
Political activists--Mexico--Mexico City--Interviews.
Student movements--Mexico--Mexico City--History--20th century.
Students--Mexico--Mexico City--Interviews.
Harvard subject headings:
Architectural photography--Mexico--Mexico City.
Artists' books.
Documentary photography--Mexico--Mexico City.
Holzfeind, Heidrum--Photograph collections--Catalogs.
Mexico City (Mexico)--Pictorial works.
Political activists--Mexico--Mexico City--Interviews.
Student movements--Mexico--Mexico City--History--20th century.
Students--Mexico--Mexico City--Interviews.
Princeton subject headings:
Architectural photography--Mexico--Mexico City.
Artists' books.
Catalogs.
Documentary photography--Mexico--Mexico City.
Holzfeind, Heidrun--Photograph collections--Catalogs.
Interviews.
Mexico City (Mexico)--Pictorial works.
Political activists--Mexico--Mexico City--Interviews.
Student movements--Mexico--Mexico City--History--20th century.
Students--Mexico--Mexico City--Interviews.