Columbia subject headings:
Piarists--Czech Republic--Bohemia--Indexes.
Piarists--Czech Republic--Bohemia--Registers.
Piarists--Germany--Indexes.
Piarists--Germany--Registers.
Harvard subject headings:
Piarists--Czech Republic--Bohemia--Indexes.
Piarists--Czech Republic--Bohemia--Registers.
Piarists--Germany--Indexes.
Piarists--Germany--Registers.
Princeton subject headings:
Piarists--Czech Republic--Bohemia--Indexes.
Piarists--Czech Republic--Bohemia--Registers.
Piarists--Germany--Indexes.
Piarists--Germany--Registers.