http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Nghệ thuật nuôi chim hót, chim kiểng
Yến hót, họa mi, chích chòe, sáo, bồ câu, bảy màu, khướu, nhồng