@prefix ns1: <https://martial.is/entity/> .
@prefix ns2: <https://w3id.org/martialis/ontology#> .
@prefix schema: <https://schema.org/> .

ns1:01M1PBN7GARVQWHE1HS9J39FQ6 a ns2:Source ;
    schema:archivedAt <http://web.archive.org/web/20250708105715/https://judoinfo.com/bruno2/> ;
    schema:datePublished "1972-06-20" ;
    schema:description "A letter from Emilio Bruno dated June 20, 1972, addressed to Don Sayenga (AAU Wrestling Historian), containing historical comments on the development of judo weight classes and mentions of early American judo pioneers including Charles Yerkow, Henry Stone, Hugo Otopalik, Donn Draeger, and others."@en ;
    schema:inLanguage "en" ;
    schema:keywords "american-judo", "judo", "history", "usa" ;
    schema:name "Letter from Emilio Bruno to Don Sayenga" ;
    schema:url <https://judoinfo.com/bruno2/> ;
    ns2:earliestYear "1972"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:hasContributor _:b8697 ;
    ns2:latestYear "1972"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:sourceGenre <https://w3id.org/martialis/vocab/source-genre/history> ;
    ns2:sourceType "personal_communication" .
_:b8697 schema:familyName "Bruno" ;
    schema:givenName "Emilio" ;
    ns2:contributorRole "author" .