He speaks of it as “le premier fruit de mes travaux d’archéologie et d’histoire méxicaines.
The details will be found in the excellent Bibliographie generale des travaux historiques et archeologiques publies par les societes savantes de France, which has appeared since 1885 under the direction of Robert de Lasteyrie.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "travaux" in a variety of sentences. We hope that you will now be able to make sentences using this word.