Browsing in hypertext: a cognitive study. - Erran Carmel; Stephen Crawford; Hsinchun Chen (IEEE Trans. Syst. Man Cybern., 1992)

MapStats for Kids: Developing and Assessing Web-Based Tools to Foster Geographic and Statistical Literacy in Children. - Stephen Crawford; Sven Fuhrmann; Bonan Li; Alan M. MacEachren; Mark Gahegan; Roger Downs (DG.O, 2003)

Assessing the Usefulness and Usability of Online Learning Activities: MapStats for Kids. - Sven Fuhrmann; John Bosley; Roger Downs; Mark Gahegan; Bonan Li; Stephen Crawford; Alan M. MacEachren (DG.O, 2003)

Publishing Geographic and Statistical Online Learning Activities for Middle School Children. - Sven Fuhrmann; Stephen Crawford; Alan M. MacEachren; Tanuka Bhowmick (DG.O, 2004)