A picture of an American monument could acquire a different meaning as it travelled through European books. Alexander von Humboldt (1769–1859) helped make such images available after his journey through Spanish America between 1799 and 1804. His publications brought monuments, manuscripts, and observations before readers who could not inspect them in person. Their value lay partly in the detail, which allowed questions to be asked beyond the explanations already offered by earlier travellers.
Humboldt was interested in comparisons. Flood accounts, calendars, and stories of early teachers invited discussion beside traditions from other continents. Yet he resisted treating every resemblance as evidence of a particular voyage or a biblical identity. Human societies could arrive at similar practices under similar conditions, and a proposed historical connection needed support beyond the likeness that had suggested it.
This gave his study of the Americas a purpose different from simply finding the Old World there. American peoples had histories that required attention in their own settings. Comparison might illuminate those histories without deciding their ancestry in advance. The distinction was especially important when the evidence came through accounts that had already been translated and interpreted by European observers.
The illustrations allowed this inquiry to travel well beyond the places Humboldt had visited. A reader could compare the forms on a monument or manuscript with an image in another book, rather than rely entirely on a traveller’s verbal description. Publication made the American material available for close attention, but also placed it among readers who had already formed explanations of the continent’s past.
Those readers did not always carry his reservations with the examples they borrowed. A striking image or a reported tradition was easy to extract, while the discussion limiting its meaning could be left behind. Humboldt’s standing as a traveller then lent authority to an argument he had not endorsed. The later page still named Humboldt as its source, although the ancestry proposed for the people who made the monument belonged to another writer.