Design for a certificate for the employers of the Calvé factory in Delft for loyal service Mercury PK-P-142.125, Richard Roland Holst

Title: design for a certificate for the employers of the calvé factory in delft for loyal service: mercury pk-p-142. 125author/creator: roland holst, richard n (1868-1938)shelfmark: pk-p-142. 125language: no linguistic contentcountry: no place, unknown, or undeterminedpublished: [tussen 1900 en 1938]persistent url: http://hdl. Handle. Net/1887. 1/item:1630414published (digital): universitaire bibliotheken leiden,extent: elektronische bron. Unknown date