Technology - History.

[NT 60487] Overview

[NT 60478] Works:	2 [NT 60520] works in 2 [NT 60521] publications in 1 [NT 60522] languages

[NT 60480] Titles

20th century : From apartheid and atombombs to vitamins and video disks [NT 59711] by: Adams, Simon ([NT 1579] Language materials, printed)

Science and technology in world history : an introduction [NT 59711] by: McClellan, James E.; Dorn, Harold ([NT 1579] Language materials, printed)