LORD ABBETT INVESTMENT TRUST
NSAR-A, 1998-07-30
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<PAGE>      
000 A000000 05/31/98
000 C000000 0000911507
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 U
001 A000000 LORD ABBETT INVESTMENT TRUST
001 B000000 811-7988
001 C000000 2128481870
002 A000000 767 FIFTH AVENUE
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10153
002 D020000 0101
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 Y
007 B000000  4
007 C010100  1
007 C020100 US GOVERNMENT SECURITIES SERIES
007 C030100 N
007 C010200  2
007 C020200 LIMITED DURATION US GOV'T SECURITIES SERIES
007 C030200 N
007 C010300  3
007 C020300 BALANCED SERIES
007 C030300 N
007 C010400  4
007 C020400 CORE SERIE
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007 C010500  5
007 C010600  6
007 C010700  7
007 C010800  8
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008 D01AA01 NEW YORK
008 D02AA01 NY
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011 A00AA01 LORD ABBETT DISTRIBUTOR LLC
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011 C01AA01 NEW YORK
<PAGE>      
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019 C00AA00 LORDABBETT
020 A000001 M M L INVESTORS SERVICE, INC.
020 B000001 04-2746212
020 C000001      5
020 A000002 PAINEWWEBBER INC.
020 B000002 13-2638166
020 C000002      1
020 A000003 DONALDSON, LUFKIN & JENRETTE SECURITIES COPR.
020 B000003 13-2741729
020 C000003      1
020 A000004 SMITH BARNEY INC.
020 B000004 13-1912900
020 C000004      1
020 A000005 PRUDENTIAL SECURITIES INC.
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022 B000001 36-2880742
022 C000001  13412931
022 D000001  12538078
022 A000002 MERRILL LYNCH, PIERCE, FENNER & SMITH INC.
022 B000002 13-5674085
022 C000002   2333567
022 D000002   2361043
022 A000003 DEAN WITTER REYNOLDS, INC.
022 B000003 94-1671384
022 C000003   2214438
022 D000003   2191508
022 A000004 SALOMON BROTHERS INC.
022 B000004 13-3082694
022 C000004   1818354
022 D000004   1891671
022 A000005 NOMURA SECURITIES INTENATIONAL INC.
022 B000005 13-2642206
022 C000005   1111820
022 D000005   1166134
022 A000006 CREDIT SUISSE FIRST BOSTON CORP.
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022 C000006    640489
<PAGE>     
022 D000006    778343
022 A000007 UTENDAUL CAPITAL PARTNERS, LP
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022 A000008 GOLDMAN SACHS & CO.
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022 A000009 EVEREN SECURITIES, INC.
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022 A000010 MORGAN STANLEY & CO., INC.
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080 A00AA00 ICI MUTUAL INSURANCE CO.
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<PAGE>     
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<PAGE>      
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<PAGE>      
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<PAGE>      
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<PAGE>      
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<PAGE>      
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<PAGE>      
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<PAGE>      
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<PAGE>     
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<PAGE>      
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<PAGE>      
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<PAGE>      
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<PAGE>      
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<PAGE>     
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<PAGE>      
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SIGNATURE   JOSEPH VAN DYKE                              
TITLE       ASSISTANT TREASURER 

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<CIK> 0000911507
<NAME> LORD ABBETT INVESTMENT TRUST
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   <NUMBER> 045
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<CIK> 0000911507
<NAME> LORD ABBETT INVESTMENT TRUST
<SERIES>
   <NUMBER> 031
   <NAME> BALANCED SERIES - CLASS A
       
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

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<ARTICLE> 6
<CIK> 0000911507
<NAME> LORD ABBETT INVESTMENT TRUST
<SERIES>
   <NUMBER> 032
   <NAME> BALANCED SERIES - CLASS B
       
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<CIK> 0000911507
<NAME> LORD ABBETT INVESTMENT TRUST
<SERIES>
   <NUMBER> 033
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<CIK> 0000911507
<NAME> LORD ABBETT INVESTMENT TRUST
<SERIES>
   <NUMBER> 021
   <NAME> LIMITED DURATION US GOVERNMENT SERIES - CLASS A
       
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<CIK> 0000911507
<NAME> LORD ABBETT INVESTMENT TRUST
<SERIES>
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   <NAME> LIMITED DURATION US GOVERNMENT SERIES - CLASS C
       
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</TABLE>

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<CIK> 0000911507
<NAME> LORD ABBETT INVESTMENT TRUST 
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     <NAME>   US GOVERNMENT SECURITIES SERIES - CLASS A
       
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</TABLE>

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<CIK> 0000911507
<NAME> LORD ABBETT INVESTMENT TRUST 
<SERIES>
     <NUMBER> 012
     <NAME>   US GOVERNMENT SECURITIES SERIES - CLASS B
       
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000911507
<NAME> LORD ABBETT INVESTMENT TRUST 
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     <NUMBER> 013
     <NAME>   US GOVERNMENT SECURITIES SERIES - CLASS C
       
<S>                             <C>
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</TABLE>


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