The Gender Studies Databases includes journal articles and other publications dealing with gender in various contexts. It includes research on gender in international contexts.
The International Bibliography of Social Sciences covers research in anthropology and other related disciplines with a focus on international coverage.
Family & Society Studies Worldwide covers a variety of disciplines related to family science, human ecology, and social welfare, including international research.
Oxford Bibliographies Online contains lists of basic resources related to various topics. This is a good place for preliminary research to establish background knowledge.