Description: [view in Spanish][edan-image:id=siris_sic_9227,size=110,left]Exchanging specimens is essential in botanical research: Herbaria swap their duplicates in return for specimens they lack. Such international trading is based on relations established through correspondence and research trips, relations that endure through generations of botanists. By the early twentieth century,
Description: While responding to a digitization request, I uncovered the story of how the Smithsonian International Exchange Service (1849-1992) helped rebuild the library collections of Chinese cultural heritage institutions during the Second World War.