Columbia subject headings:
Electrical engineering--Great Britain--History--19th century.
Electrical engineering--Great Britain--History--20th century.
Electrical engineers--Great Britain--Biography.
Heaviside, Oliver, 1850-1925.
Harvard subject headings:
Electrical engineering--Great Britain--History--19th century.
Electrical engineering--Great Britain--History--20th century.
Electrical engineers--Great Britain--Biography.
Heaviside, Oliver, 1850-1925.
Princeton subject headings: