Focus Groups as a Means of Qualitatively Assessing the U-Boat Narrative. - Fritz C. Kessler (Cartogr. Int. J. Geogr. Inf. Geovisualization, 2000)

MapTime: Software for Exploring Spatiotemporal Data Associated with Point Locations. - Terry A. Slocum; Stephen C. Yoder; Fritz C. Kessler; Robert S. Sluter Jr. (Cartogr. Int. J. Geogr. Inf. Geovisualization, 2000)

A Qualitative Evaluation of MapTime, A Program For Exploring Spatiotemporal Point Data. - Terry A. Slocum; Robert S. Sluter Jr.; Fritz C. Kessler; Stephen C. Yoder (Cartogr. Int. J. Geogr. Inf. Geovisualization, 2004)

Thematic cartography and geovisualization, 3rd Edition. - Terry A. Slocum; Robert B. MacMaster; Fritz C. Kessler; Hugh H. Howard (Pearson Education, 2009)

LionVu 2.0 Usability Assessment for Pennsylvania, United States. - Nathaniel R. Geyer; Fritz C. Kessler; Eugene Lengerich (ISPRS Int. J. Geo Inf., 2020)