Columbia subject headings:
Persian literature--1500-1796--History and criticism.
Persian literature--1796---History and criticism.
Persian literature--Tajikistan--History and criticism.
Tajik literature--20th century--History and criticism.
Harvard subject headings:
Persian literature--1500-1796--History and criticism.
Persian literature--1796---History and criticism.
Persian literature--Tajikistan--History and criticism.
Tajik literature--20th century--History and criticism.
Princeton subject headings:
Persian literature--1500-1796--History and criticism.
Persian literature--1796---History and criticism.
Persian literature--Tajikistan--History and criticism.
Tajik literature--20th century--History and criticism.