<SUBMISSION>
<ACCESSION-NUMBER>0000350894-08-000121
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20081226
<FILING-DATE>20081229
<DATE-OF-FILING-DATE-CHANGE>20081229
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>LIEB RICHARD
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<BUSINESS-ADDRESS>
<STREET1>SEI INVESTMENT INC
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<CITY>OAKS
<STATE>PA
<ZIP>19456
</BUSINESS-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
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<CIK>0000350894
<ASSIGNED-SIC>6211
<IRS-NUMBER>231707341
<STATE-OF-INCORPORATION>PA
<FISCAL-YEAR-END>1231
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<FORMER-COMPANY>
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</FORMER-COMPANY>
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<DOCUMENT>
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    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Ruth Montgomery (Attorney in Fact)</signatureName>
        <signatureDate>2008-12-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</DOCUMENT>
</SUBMISSION>
