Columbia subject headings:
Book industries and trade--Forecasting--Congresses.
Digital printing--Congresses.
Electronic publishing--Congresses.
Mass media--Technological innovations--History--Congresses.
McLuhan, Marshall, 1911-1980. Gutenberg galaxy--Congresses.
Printing--Technological innovations--History--Congresses.
Publishers and publishing--Forecasting--Congresses.
Publishers and publishing--History--Congresses.
Harvard subject headings:
Book industries and trade--Forecasting--Congresses.
Digital printing--Congresses.
Electronic publishing--Congresses
Mass media--Technological innovations--History--Congresses.
McLuhan, Marshall, 1911-1980. Gutenberg galaxy--Congresses.
Printing--Technological innovations--History--Congresses.
Publishers and publishing--Forecasting--Congresses.
Publishers and publishing--History--Congresses.
Princeton subject headings: