Attached files

file filename
EX-31.1 - EX-31.1 - Houghton Mifflin Harcourt Cod107792dex311.htm
EX-32.1 - EX-32.1 - Houghton Mifflin Harcourt Cod107792dex321.htm
EX-31.2 - EX-31.2 - Houghton Mifflin Harcourt Cod107792dex312.htm
EX-23.1 - EX-23.1 - Houghton Mifflin Harcourt Cod107792dex231.htm
10-K - FORM 10-K - Houghton Mifflin Harcourt Cod107792d10k.htm
EX-32.2 - EX-32.2 - Houghton Mifflin Harcourt Cod107792dex322.htm
EX-10.52 - EX-10.52 - Houghton Mifflin Harcourt Cod107792dex1052.htm
EX-10.51 - EX-10.51 - Houghton Mifflin Harcourt Cod107792dex1051.htm
EX-10.50 - EX-10.50 - Houghton Mifflin Harcourt Cod107792dex1050.htm

Exhibit 21.1

Houghton Mifflin Harcourt Company Subsidiaries

Greenwood Publishing Group, Inc.

HMH Intermediate Holdings (Delaware), LLC

HMH IP Company

HMH Publishers LLC

HMH Publishing Company

Houghton Mifflin Company International, Inc.

Houghton Mifflin Harcourt (Asia) Pte. Ltd.

Houghton Mifflin Harcourt Publishers, Inc.

Houghton Mifflin Harcourt Publishing Company

Houghton Mifflin PLC

International Center for Leadership in Education, Inc.

Tribal Nova, Inc.