Ayumu Saito is an editor and a Ph.D. Candidate in Archival Science, Gakushuin University. His research theme is Architectural Records. His recent thesis is 'A Model for the Arrangement of Architectural Records: Learning from the "Standard Series"' (GCAS report, No.3/ 2014). He received a MA and graduate certificate in Archival Science from Gakushuin University and a BS in Architectural Studies from Waseda University.