Columbia subject headings:
Harvard subject headings:
City planning--Puerto Rico--San Juan.
Krier, Léon.
San Juan (P.R.)--Buildings, structures, etc.
Santurce (San Juan, P.R.)
Santurce (San Juan, P.R.)--Buildings, structures, etc.
Princeton subject headings:
City planning--Puerto Rico--San Juan.
Santurce (San Juan, P.R.)