Frontmatter -- Table of Contents -- Acknowledgements -- Abbreviations -- Table of Figures -- Introduction -- Chapter 1: Describing a New Lexicographical Hybrid: the Encyclopedic Learner's Dictionary -- Chapter 2: Assessing Encyclopedic Learners' Dictionaries from the User Perspective -- Chapter 3: Design Features of Encyclopedic Learners' Dictionaries -- Conclusion -- Bibliography -- Appendix 1: User Survey Questionnaire -- Appendix 2: Headwords in the X, Y, and Ζ Sections of LDELC and LDOCE2 -- Appendix 3: Headwords in the X, Y, and Ζ Sections of OALED and OALD4 -- Appendix 4: Headwords in the X, Y, and Ζ Sections of LDELC, LDOCE2, OALED, and OALD4 -- Appendix 5: Headwords in the X, Y, and Ζ Sections of LDELC (but not LDOCE2) and OALED (but not OALD4) -- Appendix 6: Biographical Entries in the M Sections of LDELC and OALED -- Appendix 7: Table of Cultural Notes in LDELC and Mini-notes in OALED -- Abstracts