Columbia subject headings:
Harvard subject headings:
Human engineering--Congresses
Occupational diseases--Congresses.
Offices--Health aspects--Congresses.
White collar workers--Diseases and hygiene--Congresses.
White collar workers--Health and hygiene--Congresses.
Princeton subject headings:
Human engineering--Congresses.
Occupational diseases--Congresses.
Offices--Hygienic aspects--Congresses.
White collar workers--Diseases and hygiene--Congresses.