GERSHON RICHARD C
Related Filers (1)
HOUGHTON MIFFLIN CO (1)
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Ownership (2)
4
Thursday, 3/16/2000
HOUGHTON MIFFLIN CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/19/1999
HOUGHTON MIFFLIN CO: Statement of changes in beneficial ownership of securities
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