Robert Maillart - Biography and links to the Selginatobel bridge, his longest hollow box bridge. - http://www.asce.org/history/bio_maillart.html
Maillart Works - Collection of photographs and statistics of the engineer's bridges. - http://www.anc-d.fukui-u.ac.jp/~ishikawa/Aloss/page/Maillart_Work.htm