研究型数据库

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Essay & General Literature Index Retrospective: 1900-1984 • Archive

LitBase • 全文

MLA International Bibliography

MLA International Bibliography with Full Text • 全文

Short Story Index Retrospective: 1915-1983 • Archive

Social Sciences Index Retrospective: 1907-1983 • Archive

SocINDEX with Full Text • 全文

Sociology Source Ultimate • 全文