TY  - BOOK
AU  - Crowley, D. J
AU  - Heyer, Paul
TI  - Communication in history : technology, culture, society
SN  - 9780205483884
SN  - 200604322
U1  - 302.209 CRO 
PY  - 2007///
CY  - Boston
PB  - Pearson Allyn & Bacon
KW  - Communication - History
KW  - Mass media - History
N1  - Includes bibliographical references (p. 337-339) and index
ER  -