When Jadvyga was called to the Paris Peace Conference in Versailles, her friends in Bern hosted a big farewell dinner for her. Director Lüdi told her:"We like working with you. You never once gave us false news or deceived us in any way and we would like to continue with you. We wish you all success in Paris. But we would like to warn you: don’t expect as easy work as you had here, with us trusting and believing you. For you, it will be much more difficult to work with the French press. With them you do not have to work with your ability but with your money."From July 1919, Jadvyga organized and directed the Lithuanian Information Bureau in Paris, where the Lithuanian delegation to the Paris Peace Conference worked. The delegation was trying not only to win the recognition of the Lithuanian state, but also to defend Lithuania's territorial interests. In Jadvyga's own words, she submitted articles: