allograph

Grésillon 1994


antigraph

Chiesa 2002


apograph

Stussi 1994, Chiesa 2002


dittography

André 1998, Kline 1998


holograph

Grésillon 1994, Plachta 1997, Kline 1998, Italia and Raboni 2010


idiograph

Stussi 1994, Chiesa 2002


original

Contini 1986, Stussi 1994, Chiesa 2002