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000 B000000 09/30/93
000 C000000 883428
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001 A000000 CAMBRIDGE SERIES TRUST
001 B000000 811-6550
001 C000000 4122886653
002 A000000 FEDERATED INVESTORS TOWER
002 B000000 PITTSBURGH
002 C000000 PA
002 D010000 15222
002 D020000 3779
003 000000 N
004 000000 N
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007 C010100 1
007 C020100 CAMBRIDGE GROWTH PORTFOLIO
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007 C020200 CAMBRIDGE CAPITAL GROWTH PORTFOLIO
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007 C010300 3
007 C020300 CAMBRIDGE GOVERNMENT INCOME PORTFOLIO
007 C030300 N
007 C010400 4
007 C020400 CAMBRIDGE MUNICIPAL INCOME PORTFOLIO
007 C030400 N
007 C010500 5
007 C020500 CAMBRIDGE INCOME AND GROWTH PORTFOLIO
007 C030500 N
007 C010600 6
007 C010700 7
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077 A000000 Y
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SIGNATURE S. ELLIOTT COHAN
TITLE ASST. GEN. COUNSEL