Paul Krapcho

• ARKIVOC 2001 (iv) Commemorative for Prof. Alfred Hassner
• ARKIVOC 2002 (v) Commemorative Issue in Honor of Prof. M. Moreno-Mañas
• Arkivoc 2003 (III) Commemorative for Prof. Sukh Dev
• Arkivoc 2003 (X) Commemorative for Prof. Roberto A. Rossi and Prof. Edmundo A. Ruveda
• Arkivoc 2004 (X) Commemorative for Prof. Rodney Rickards
• Arkivoc 2005 (Vi) Commemorative for Prof. Eusebio Juaristi