Catalogue
- Ephemera
- Online
Ethnine Piriex : wood white.
Date: 1969- Ephemera
- Online
Ethnine Piriex : red admiral.
Date: 1969- Ephemera
- Online
Ethnine Piriex : green veined white.
Date: 1969- Ephemera
- Online
Sednine Ethnine Piriex : lubworth skipper.
Date: 1968- Ephemera
- Online
For two kinds of cough, two kinds of treatment Piriex and Ethnine : "The Parting of Hero and Leander".
Date: 1970