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<PAGE> PAGE 2
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<PAGE> PAGE 6
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<PAGE> PAGE 9
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<PAGE> PAGE 10
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<PAGE> PAGE 11
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<PAGE> PAGE 12
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<PAGE> PAGE 13
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<PAGE> PAGE 14
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<PAGE> PAGE 15
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<PAGE> PAGE 16
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<PAGE> PAGE 17
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<PAGE> PAGE 19
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SIGNATURE WILLIAM M. TARTIKOFF
TITLE GENERAL COUNSEL
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000356682
<NAME> CALVERT SOCIAL INVESTMENT FUND
<SERIES>
<NUMBER> 01
<NAME> MONEY MARKET PORTFOLIO
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