References
•http://www.cs.umd.edu/hcil/ndl/
•Marchionini, G., Plaisant, C., Komlodi, A. (May 1996) User needs assessment for the Library of Congress National Digital Library,
CS-TR-3640, CAR-TR-829, CLIS-96-01.
•Marchionini, G., Plaisant, C., & Komlodi, A. (1998).  Interfaces and tools for the Library of Congress National Digital Library Program.  Information Processing & Management, 34(5), 535-555.
•Nation, D. Plaisant, C., Marchionini, G., & Komlodi, A. (1997). Visualizing websites using a hierarchical table of contents browser: WebTOC.  In Proceedings of Designing for the Web: Practices and Reflections (3rd Conference on Human factors and the Web, Denver, June 12, 1997).
•Plaisant, C., Marchionini, G., Bruns, T., Komlodi, A., & Campbell, L. (1997). Bringing treasures to the surface: Iterative design for the Library of Congress National Digital Library Program.  ACM CHI ‘97 Conference. (Atlanta, March 22-27, 1997), p. 518-525.
•Marchionini, G., Plaisant, C., & Komlodi, A. (forthcoming).  The people in digital libraries: Multifaceted approaches to assessing needs and impact.  In A. Bishop, B. Buttenfield, & N. VanHouse (Eds.) Digital library use: Social practice in design and evaluation.  Cambridge, MA: MIT Press.