<foreign xmlns="http://www.tei-c.org/ns/1.0" xml:lang="fra"><persName ref="https://edition-humboldt.de/H0013386 http://d-nb.info/gnd/118716581">Gay</persName>, <persName ref="https://edition-humboldt.de/H0003735 http://d-nb.info/gnd/116817569">Buch</persName> et Humboldt le <date when="1805-07" calendar="#gregorian"><space dim="horizontal" unit="chars" quantity="2" /> <choice> <abbr>Juill.</abbr> <expan>Juillet</expan> </choice> 1805</date></foreign>