| POLITICO — Estonia Wants Costa and Kallas to Speak for Europe in Ukraine Peace Talks, November 12, 2026 | — | news_article |
| Kyiv Post — Estonia Backs Kallas as EU Peace Envoy, November 12, 2026 | — | news_article |
| Estonian Ministry of Foreign Affairs — Peace in Ukraine Must Ensure Europe's Long-Term Security, November 6, 2026 | — | news_article |
| ERR — US Plan Ties Ukraine Talks to Europe's Security, November 7, 2026 | — | news_article |
| Updated Ukraine Recovery and Reconstruction Needs Assessment | World Bank | report |
| European Union Publications Office — Mapping the Peacetime Reconstruction Needs of Ukraine, 2026 | — | government |