Conway, Paul (2010). "Preservation in the Age of Google: Digitization, Digital Preservation, and Dilemmas". Library Quarterly. 80 (1): 73. doi:10.1086/648463. hdl:2027.42/85223. S2CID57213909.
Conway, Paul (2010). "Preservation in the Age of Google: Digitization, Digital Preservation, and Dilemmas". Library Quarterly. 80 (1): 73. doi:10.1086/648463. hdl:2027.42/85223. S2CID57213909.
Conway, Paul (2010). "Preservation in the Age of Google: Digitization, Digital Preservation, and Dilemmas". Library Quarterly. 80 (1): 73. doi:10.1086/648463. hdl:2027.42/85223. S2CID57213909.
Harris, Carolyn (2000). "Selection for Preservation". In Banks, Paul N.; Pilette, Roberta (eds.). Preservation: Issues and Planning. Chicago: American Library Association. pp. 206–224. ISBN978-0-585-37626-4. OCLC48139650.