Columbia subject headings:
Psychologists--Canada--Directories.
Psychologists--United States--Directories.
Social scientists--Canada--Biography--Directories.
Social scientists--Canada--Directories.
Social scientists--United States--Biography--Directories.
Social scientists--United States--Directories.
Harvard subject headings:
Psychologists--Canada--Directories.
Psychologists--United States--Directories.
Social scientists--Canada--Biography--Directories.
Social scientists--Canada--Directories.
Social scientists--United States--Biography--Directories.
Social scientists--United States--Directories.
Princeton subject headings:
Psychologists--Canada--Directories.
Psychologists--United States--Directories.
Social scientists--Canada--Biography--Directories.
Social scientists--Canada--Directories.
Social scientists--United States--Biography--Directories.
Social scientists--United States--Directories.