As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 12/4/06  HM Publishing Corp.               8-K:8,9    11/28/06    2:32K                                    Donnelley … Solutions/FA 
          Houghton Mifflin Co.
 11/9/06  HM Publishing Corp.               10-Q        9/30/06    5:572K                                   Donnelley … Solutions/FA 
          Houghton Mifflin Co.
 11/9/06  HM Publishing Corp.               8-K:2,9     11/9/06    2:92K                                    Donnelley … Solutions/FA 
          Houghton Mifflin Co.
10/31/06  HM Publishing Corp.               8-K:5      10/31/06    1:13K                                    Donnelley … Solutions/FA 
          Houghton Mifflin Co.
 8/10/06  HM Publishing Corp.               10-Q        6/30/06   10:1.6M                                   Donnelley … Solutions/FA 
          Houghton Mifflin Co.
 8/10/06  Houghton Mifflin Co.              8-K:2,9     8/10/06    2:98K                                    Donnelley … Solutions/FA 
          HM Publishing Corp.
 6/12/06  HM Publishing Corp.               8-K:5       6/12/06    1:13K                                    Donnelley … Solutions/FA 
          Houghton Mifflin Co.
  6/6/06  HM Publishing Corp.               8-K:1        6/5/06    1:12K                                    Donnelley … Solutions/FA 
          Houghton Mifflin Co.
 5/31/06  Houghton Mifflin Co.              8-K:1,9     5/31/06    2:27K                                    Donnelley … Solutions/FA 
          HM Publishing Corp.
 5/15/06  Houghton Mifflin Co.              10-Q        3/31/06    8:832K                                   Donnelley … Solutions/FA 
          HM Publishing Corp.
 5/11/06  HM Publishing Corp.               8-K:1        5/9/06    1:17K                                    Donnelley … Solutions/FA 
          Houghton Mifflin Co.
  5/4/06  HM Publishing Corp.               8-K:8,9      5/3/06    2:28K                                    Donnelley … Solutions/FA 
          Houghton Mifflin Co.
  5/3/06  HM Publishing Corp.               8-K:2,9      5/3/06    2:66K                                    Donnelley … Solutions/FA 
          Houghton Mifflin Co.
 3/30/06  HM Publishing Corp.               10-K       12/31/05    7:1.8M                                   Donnelley … Solutions/FA 
          Houghton Mifflin Co.
 3/16/06  HM Publishing Corp.               8-K:2,9     3/16/06    2:94K                                    Donnelley … Solutions/FA 
          Houghton Mifflin Co.
 1/23/06  HM Publishing Corp.               8-K:1       1/23/06    1:14K                                    Donnelley … Solutions/FA 
          Houghton Mifflin Co.
 1/12/06  HM Publishing Corp.               8-K:1       1/12/06    1:14K                                    Donnelley … Solutions/FA 
          Houghton Mifflin Co.
11/28/05  HM Publishing Corp.               8-K:1      11/22/05    1:18K                                    Donnelley … Solutions/FA 
          Houghton Mifflin Co.
11/10/05  HM Publishing Corp.               10-Q        9/30/05    7:3.4M                                   Donnelley … Solutions/FA 
          Houghton Mifflin Co.
 11/9/05  HM Publishing Corp.               8-K:2,9     11/9/05    2:98K                                    Donnelley … Solutions/FA 
          Houghton Mifflin Co.

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¹	Filing/Form Types:  -Q
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials }.
	10-K	Annual Report — Form 10-K.
	10-Q	Quarterly Report — Form 10-Q.