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Press Enter to activate a submenu, down arrow to access the items and Escape to close the submenu.

  • Library Catalog

    Visit our catalog to search for books, movies, music and more.

    Books

    • Search Our Catalog
    • Reviews and Recommendations
    • Suggest a Purchase

    Digital Library

    • Browse the Digital Library
    • E-books, Audiobooks, and Comics
    • Magazines and Newspapers
    • Streaming Music, Movies, and Videos
    • Online Learning and Classes
    • Language Learning
    • Jobseekers and Career Prep
    • Research
    • LAPL Indexes and Research Guides
    • Multilingual Resources

    More to Borrow

    • Borrow Computers and Technology
    • Neighborhood Science Kits
    • Ukulele
    • California State Parks Passes
    • Museum & Cultural Passes
    • Play Kits
    • Book Bundles To Go

  • Find Your Branch

    We have 73 locations throughout the City of Los Angeles.

    Locations and Hours

    • All Branches
    • Central Library

    Closures

    • Schedule of Holiday Closures

    Facility Rentals

    • Rental Information
    • Facility Rental Policy
    • Rates and Occupancy

  • Events Calendar

    We have events for all ages and interests at 73 locations around Los Angeles.

    Events

    • Events Calendar
    • All Ages/Family Friendly
    • Babies and Toddlers
    • Kids
    • Teens
    • Adults
    • Seniors

    Exhibits

    • Current and Upcoming Exhibits
    • Past Exhibits
    • Exhibit Proposals

  • Ask a Librarian

    Have a question? We're ready to help.

    Community Support

    • Homelessness
    • New Americans: Citizenship and Immigration
    • Street Vendors
    • Carceral and Reentry Services
    • Veterans

    Education

    • Kids and Parents
    • Teens
    • Resources for Students (K-12)
    • Get a High School Diploma
    • Adult Literacy and Language Tutoring
    • Get Ready for College

    Computers & Technology

    • Borrow Computers and Technology
    • Get Help With Technology
    • Use or Reserve a Computer
    • Printing
    • Octavia Lab
    • Koreatown Media Lab
    • DIY Memory Lab

    Get Help

    • Ask a Librarian

  • Tessa: Digital Archives and Photos

    Instant access to rare and historical collections from Los Angeles Public Library including photographs, maps, and more.

    Collections

    • Special Collections
    • Browse All Collections
    • LAPL Indexes

    Research & Topic Guides

    • View All Research Guides
    • Guide to Genealogy Research
    • Government Document Locator
    • Intellectual Property
    • Maps

    Digital Research

    • Tessa: Photos & Digital Archives
    • Digital Library: Research Resources
    • Digital Library: View All Resources

  • Angel City Press

    A groundbreaking new chapter in publishing, Angel City Press is now part of the Los Angeles Public Library. 

    Contact Us

    • Ask a Librarian
    • Contact Us
    • Staff Directory
    • Subscribe to Our Newsletters

    News & Stories

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    • Articles
    • Videos
    • Podcasts
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    • City Librarian
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    Support Us

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    • The Library Store
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Cover image for Corn: Its Origin, Evolution, and Improvement

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Corn: Its Origin, Evolution, and Improvement

Mangelsdorf, Paul C.

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