《仪礼·觐礼》
诸侯送行，两次行拜礼。送礼物给使者表达敬意，送给赐予命服的三公的是束帛和四匹马。送给太史的礼物也是如此。
侯氏送，再拜，傧使者，诸公赐服者，束帛、四马，傧大史亦如之。
The feudal lords see the grand historian out, performing two kowtows. They give the imperial messenger gifts as a sign of respect; they give the Three Dukes, who granted them with an official dress, bundled silks and four horses. The gifts they give the grand historian is the same.