I am just old enough to remember card catalogues in research intensive libraries.
Sometimes, chance favours the well-prepared. Ask me sometime about my accidental goldfind in 𝑆𝑜𝑐𝑖𝑒́𝑡𝑒́ 𝐿𝑖𝑛𝑛𝑒́𝑒𝑛𝑛𝑒 𝑑𝑒 𝐵𝑜𝑟𝑑𝑒𝑎𝑢𝑥.
Go for it!
Sometimes, chance favours the well-prepared. Ask me sometime about my accidental goldfind in 𝑆𝑜𝑐𝑖𝑒́𝑡𝑒́ 𝐿𝑖𝑛𝑛𝑒́𝑒𝑛𝑛𝑒 𝑑𝑒 𝐵𝑜𝑟𝑑𝑒𝑎𝑢𝑥.
Go for it!