400. That’s an error.

Google cannot redirect you to http://worldcat.org/search?q=Letter+Abbé+Raynal+National+Assembly+France,+subject+Revolution+...+[By+Count+S.+M.+A.+Clermont-Tonnerre+Baron+P.+V.+Malouet.]+faithful+translation+some+prefatory+observations,+translator+Rousseau's+Social+Contract+...+added,+Declaration+Chevalier+Bintinaye,+resignation+his+Commission+Pension+guillaume+thomas+françois+raynal because the request was invalid.

This might be because the link was created a long time ago. Try your search again on Google. That’s all we know.