הוטון מיפלין הארקורט
הערות שוליים

↑  "Houghton Mifflin Harcourt Publishing Company: Private Company Information – Businessweek". investing.businessweek.com. נבדק ב-23 באפריל 2012. {{cite web}}:  (עזרה)
↑  Winship, Michael (1995). American Literary Publishing in the Mid-Nineteenth Century: The Business of Ticknor and Fields. Cambridge: Cambridge University Press. pp. 15–17, 20–21. ISBN 0521454697.
↑  Ballou 1970, pp. 55, 131.
↑  The Waldenses of To-day, George Edwin Waring Jr. (1879)
↑  Winship 1995, pp. 22-23.
↑  Ballou 1970, pp. 276-278, 303-304.
↑  Ballou 1970, pp. 494-495.
↑  Copyrights, United States Congress Senate Committee on the Judiciary Subcommittee on Patents, Trademarks, and (1967). Copyright Law Revision: Hearings Before the United States Senate Committee on the Judiciary, Subcommittee on Patents, Trademarks, and Copyrights, Ninetieth Congress, First Session (באנגלית). U.S. Government Printing Office. p. 1114. Parnassus Press ; 2422 Ashley Avenue ; Berkeley, California 94705
↑  Bibliography of Spanish Materials for Children (PDF). נבדק ב-13 בפברואר 2021. Parnassus Press 2422 Ashby Ave Berkeley, CA 94705 {{cite book}}:  (עזרה)
↑  Nongovernment Organization Codes for Military Standard Contract Administration Procedures (MILSCAP), United States and Canada, Code to Name (באנגלית). Department of Defense, Defense Logistics Agency, Defense Logistics Services Center. 1974. נבדק ב-13 בפברואר 2021. Parnassus Press 2422 Ashby Ave Berkeley, CA 94705 {{cite book}}:  (עזרה)
↑  "Finding Aid to the Parnassus Press records, 1930-1989 (bulk 1955-1978)". oac.cdlib.org. נבדק ב-13 בפברואר 2021. A beacon of publishing and children's literature on the West Coast, the complete catalog of the Parnassus Press were sold to Houghton Mifflin in 1979. {{cite web}}:  (עזרה)
↑  "Publisher: Parnassus Press". isfdb.org. נבדק ב-13 בפברואר 2021. {{cite web}}:  (עזרה)
↑  "Parnassus Press". WorldCat.org (באנגלית). נבדק ב-13 בפברואר 2021. {{cite web}}:  (עזרה)
↑  "Parnassus Press". Name Authority File. Library of Congress. נבדק ב-13 בפברואר 2021. {{cite web}}:  (עזרה)
↑  Lask, Thomas (1979-06-14). "A 'Memoir' of Gandhi By Shirer Due in 1980". The New York Times. ISSN 0362-4331. נבדק ב-2019-04-02.
↑  "Houghton Mifflin Company | Encyclopedia.com". נבדק ב-2021-03-30.
↑  "History of Houghton Mifflin Company". Fundinguniverse.com. נבדק ב-2013-08-18.
↑  "About McDougal Littell". Mcdougallittell.com. אורכב מ-המקור ב-3 ביוני 2013. נבדק ב-2013-08-18. {{cite web}}:  (עזרה)
↑  "HM buys Vermont's Chapters". Publishers Weekly. 244 (20): 13–14. 1997-05-19. נבדק ב-2019-11-29.
↑  Ltd., LOGAL Educational Software & Systems. "LOGAL Software, Inc. to Debut Science Gateways Product Line" (הודעה לעיתונות). נבדק ב-2017-01-17.
↑  "Licensing Opportunities". Houghton Mifflin Harcourt. נבדק ב-2017-01-17.
↑  "'Carmen Sandiego,' New Animated Series, Coming to Netflix in 2019". Netflix Media Center (באנגלית). נבדק ב-2017-04-21.
↑  "HM Absorbs Kingfisher". PublishersWeekly.com. נבדק ב-2019-11-29.
↑  SUZANNE KAPNER AND ANDREW ROSS SORKIN.
↑  "COMPANY NEWS; VIVENDI FINISHES SALE OF HOUGHTON MIFFLIN TO INVESTORS."
↑  Irish company completes Houghton Mifflin acquisition, web.archive.org, ‏2016-03-13
↑  Edgecliffe-Johnson, Andrew and Peter Smith.
↑  "Houghton Mifflin sells Promissor unit for $42M". www.bizjournals.com. נבדק ב-2021-07-06.
↑  "Macmillan Acquires Kingfisher". PublishersWeekly.com. נבדק ב-2019-11-29.
↑  Trachtenberg, Jeffrey A. "Writers' Block: Houghton Won't Acquire New Books", Wall Street Journal, November 25, 2008.
↑  (הקישור אינו פעיל, August 2013)
↑  Houghton Mifflin Harcourt Breakdown: "Nobody Could See This Coming" - mediabistro.com: GalleyCat, web.archive.org, ‏2008-12-06
↑  Streitfeld, David (28 בדצמבר 2008). "Bargain Hunting for Books, and Feeling Sheepish About It". The New York Times. {{cite news}}:  (עזרה)
↑  "A New Day in Catechesis – Our Sunday Visitor Acquires Harcourt Religion Publishers from Houghton Mifflin Harcourt" (הודעה לעיתונות). Prweb.com. 5 ביוני 2009. נבדק ב-2013-08-18. {{cite press release}}:  (עזרה)
↑  "In Deal With Wiley, Houghton Acquires Cookbooks and CliffsNotes". Media Decoder Blog. 8 בנובמבר 2012. נבדק ב-2014-09-06. {{cite web}}:  (עזרה)
↑  "Textbook publisher Houghton Mifflin Harcourt prices IPO at $12 a share". Reuters. 14 בנובמבר 2016. נבדק ב-20 באפריל 2017. {{cite news}}:  (עזרה)
↑  "Hitler's "Mein Kampf": Boston publisher rethinks handling of proceeds". CBS News.
↑  Cimilluca, Jeffrey A. Trachtenberg and Dana (29 במרץ 2021). "News Corp to Buy Houghton Mifflin Harcourt's Consumer-Publishing Arm for $349 Million". The Wall Street Journal. נבדק ב-29 במרץ 2021. {{cite news}}:  (עזרה)
↑  "News Corp Completes Acquisition of Houghton Mifflin Harcourt Books & Media Segment" (הודעה לעיתונות). News Corp. 10 במאי 2021. {{cite press release}}:  (עזרה)
↑  Reuters (2022-02-22). "Veritas Capital to buy Houghton Mifflin for $2.8 bln". Reuters (באנגלית). נבדק ב-2022-04-08.
↑  Whales, Unusual (6 באפריל 2022). "A Review of Unusual Options Activity in Houghton Mifflin Harcourt Co (HMHC), iShares Global Clean Energy ETF. (ICLN), and Cenovus Energy Inc. (CVE)". {{cite web}}:  (עזרה)תחזוקה - ציטוט: url-status (link)
↑  "Significant Shareholder Prasad Phatak Sends Letter to Houghton Mifflin Harcourt Company Board of Directors Opposing Veritas Capital Transaction".
↑  "Houghton Mifflin Harcourt Successfully Completes Sale to Veritas Capital". finance.yahoo.com (באנגלית אמריקאית). נבדק ב-2022-04-08.
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בקרת זהויות :  NLI: 987007592520405171  GND: 5514375-1  ISNI: 0000 0001 2196 0375  LCCN: n79073908  MusicBrainz: cbe7c4c6-ea31-49f7-a7e1-1a6f9ad52ddb  NKC: ko2003163504  SUDOC: 074185276  VIAF: 159556432   WorldCat (עם VIAF): 159556432