May . EKI Combined Dictionary 2026. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif/est,eng,rus/eki/May/1/eng (29.10.2026)
Translations
May . Aianduse terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif/est,eng,rus,mul/ait/May/1/eng (29.10.2026)
May . Mesindusleksikon. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif/est,eng,rus,mul/mes/May/1/eng (29.10.2026)