H
From Encyclopediak
- Haakon
- Habakkuk
- Habeas Corpus
- Habit
- Hackberry
- Hackensack, New Jersey
- Haddock
- Hades
- Hadley, Arthur Twining
- Hadrian
- Haemoglobin
- Hagerstown, Maryland
- Haggai
- Haggard, Sir Henry Rider
- Hague, Netherlands
- Hahnemann, Samuel Christian Friedrich
- Haidarabad
- Hail
- Hainan
- Hair
- Hairworm
- Haiti
- Haiti, Republic of
- Hake
- Hakluyt, Richard
- Halberd
- Halcyon
- Halcyone
- Hale, Edward Everett
- Hale, Nathan
- Halevy, Ludovic
- Half Breeds
- Half Tone
- Haliburton, Thomas Chandler
- Halibut
- Halifax, Canada
- Hall, Asaph
- Hall, Granville Stanley
- Hallam, Henry
- Halleck, Fitz-Greene
- Halleck, Henry Wager
- Halley, Edmund
- Hall of Fame
- Halloween
- Halo
- Hals, Frans
- Hamburg, Germany
- Hamilton,Ontario, Canada
- Hamilton, Alexander
- Hamilton, Ohio
- Hamilton, Sir William
- Hamites
- Hamlin, Hannibal
- Hampden, John
- Hammond, Indiana
- Hampton, Wade
- Hampton Normal and Agricultural Institute, Hampton, Virginia
- Hampton Roads, Battle of
- Hampton Roads Conference
- Hancock, John
- Hancock, Michigan
- Hancock, Winfield Scott
- Hand Ball
- Handel, George Frederick
- Hangbird
- Hangchow, China
- Hanging Gardens of Babylon
- Hankow, China
- Hannibal
- Hannibal, Missouri
- Hanover, Germany
- Hanover, Prussia
- Hanseatic, League
- Hapsburg, House of
- Harbin
- Harbor
- Hard Cider Campaign
- Hardecanute
- Hardenberg, Karl August, PRINCE
- Harding, Warren Gamaliel
- Hardy, Thomas
- Hare
- Harebell
- Hargreaves, James
- Harlan, John Marshall
- Harland, Marion
- Harlequin Duck
- Harmon, Judson
- Harmonica
- Harmony
- Harmsworth, Alfred Charles William
- Harold II
- Harp
- Harper, William Rainey
- Harper's Ferry, West Virginia
- Harpies
- Harpoon
- Harpsicord
- Harpy Eagle
- Harrier
- Harriman, Edward Henry
- Harris, Joel Chandler
- Harris, Robert
- Harrisburg, Pennsylvania
- Harrison, Benjamin
- Harrison, Carter Henry
- Harrison, Constance Cary
- Harrison, New Jersey
- Harrison, William Henry
- Harriss, Charles Albert
- Harrow
- Hart, Albert Bushnell
- Harte, Francis Bret
- Hartford, Connecticut
- Hartford Convention
- Hartshorn
- Harun-al-Rashid
- Harvard, John
- Harvard University
- Harvester
- Harvest Moon
- Harz, Mountains
- Hashish
- Hastings, Nebraska
- Hastings, Warren
- Hastings, Battle of
- Hat
- Hattiesburg, Mississippi
- Hauberk
- Hauptmann, Gerhart
- Havana, Cuba
- Havelock, Sir Henry
- Haverhill, Massachusetts
- Haversack
- Haverstraw, New York
- Havre
- Hawaii
- Hawk
- Hawkins, Sir Anthony Hope
- Hawkins, Sir John
- Hawk Moth
- Hawthorn
- Hawthorne, Julian
- Hawthorne, Nathaniel
- Hay
- Hay, John
- Hayes, Patrick Joseph
- Hayes, Rutherford Birchard
- Haydn, Franz Joseph
- Hay Fever
- Hayne, Robert Young
- Hay-Pauncefote, Treaty
- Hays, Charles Melville
- Hayti
- Haze
- Hazel
- Hazen, William Babcock
- Hazleton, Pennsylvania
- Hazlitt, William
- Health, Boards of
- Healy, Timothy
- Hearst, William Randolph
- Heart
- Heat
- Heath, Shrub
- Heating and Ventilation
- Hebe
- Heber, Reginald
- Hebert, Abar Louis Philippe
- Hebrews
- Hebrews, Epistle to the
- Hebrides Islands
- Hebron
- Hecate
- Hectograph
- Hector
- Hecuba
- Hedgehog
- Hedonism
- Hegel, Georg Wilhelm Friedrich
- Hegira
- Heidelberg, Germany
- Heidelberg, University of
- Heine, Heinrich
- Heintzelman, Samuel Peter
- Heir
- Hejaz, Kingdom of the
- Helen
- Helena, Arkansas
- Helena, Montana
- Heliopolis, City of the Sun
- Helios
- Heliostat
- Heliotrope
- Helium
- Hell
- Hell-Diver
- Helle
- Hellebore
- Hellespont
- Hell Gate
- Helmet
- Helmholtz, Hermann Ludwig Ferdinand von
- Helvetii
- Hemans, Felicia Dorothea
- Hematite
- Hemiptera
- Hemlock
- Hemlock, Poison
- Hemp
- Hen
- Henderson, Charles Richmond
- Henderson, Kentucky
- Hendricks, Thomas Andrews
- Hengest and Horsa
- Hen Hawk
- Hennepin, Louis
- Henry
- Henry, Joseph
- Henry, 0.
- Henry, Patrick
- Henry, George Alfred
- Hepatica
- Heraldry
- Herb
- Herbart, Johann Friedrich
- Herbert, George
- Herbert, Victor
- Herculaneum
- Hercules
- Hercules Beetle
- Hercules, Pillars of
- Herder, Johann Gottfried von
- Heredity
- Herkimer, Nicholas
- Herkomer, Sir Hubert von
- Hermione
- Hermit Crab
- Hermit Thrush
- Hermon
- Hernia
- Hero
- Herod
- Herodotus
- Heron
- Herrick, Robert, poet
- Herrick, Robert
- Herring
- Herschel, Caroline Lucretia
- Herschel, Sir John Frederick William
- Herschel, Sir William
- Hesiod
- Hesperides
- Hesse, Germany
- Hessian, Fly
- Hessians
- Hewlett, Maurice Henry
- Hezekiah, King of Tudah
- Hiawatha
- Hibben, John Grier
- Hibbing, Minnesota
- Hibernation
- Hibiscus
- Hiccough
- Hickory
- Hicks, Thomas Holliday
- Hieroglyphics
- Higginson, Thomas Wentworth
- High-Hole
- High Point, North Carolina
- High Priest
- High School
- High Seas
- Hildreth, Richard
- Hill, Ambrose Powell
- Hill, Benjamin Harvey
- Hill, Daniel Harvey
- Hill, David Jayne
- Hill, James Jerome
- Hillis, Newell Dwight
- Himalaya, Mountains
- Hinduism
- Hindu Kush Mountains
- Hinsdale, Burke Aaron
- Hipparchus
- Hippocampus
- Hippocrates
- Hippolyta
- Hippopofamus
- Hirsch, Emil Gustav
- Histology
- History
- History of the World
- Hitchcock, Edward
- Hitchcock, Ethan Alien
- Hitchcock, Frank Harris
- Hittites
- Hives
- Hoangho
- Hoar, George Frisbie
- Hobart, Tasmania
- Hobbema, Meindert
- Hobbes, Thomas
- Hobkirk's Hill, Battle of
- Hoboken, New Jersey
- Hockey
- Hodgins, John George
- Hoe, Richard March
- Hofer, Andreas
- Hofmann, Josef
- Hog
- Hogarth, William
- Hogg, James Stephens
- Hohenstaufen
- Hohenzollern
- Hokusai
- Holbein, Hans
- Holbein, Hans, the Younger
- Holden, Edward Singleton
- Holiday
- Holland
- Holland, Josiah Gilbert
- Holland, Michigan
- Holly
- Hollyhock
- Holmes, Oliver Wendell
- Holmes, Oliver Wendell, Jr.
- Holmgren Test for Color Blindness
- Holy Alliance
- Holy Family
- Holy Grail, The
- Holyoke, Massachusetts
- Holy Roman Empire
- Holyrood Palace
- Homeopathy
- Homer
- Homer, Winslow
- Home Rule
- Homestead
- Homestead, Pennsylvania
- Honduras
- Honey
- Honeybee
- Honey Locust
- Honeysuckle
- Hong Kong
- Honolulu, Hawaii
- Hood, John Bell
- Hood, Robin
- Hood, Thomas
- Hooded Seal
- Hoogly River
- Hooker, Joseph
- Hooker, Richard
- Hooker, Thomas
- Hookworm
- Hoover, Herbert Clarke
- Hoopoe
- Hoosac Tunnel
- Hops
- Hopkins, John Castell
- Hopkins, Stephen
- Hopkinson, Joseph
- Hopkinsville, Kentucky
- Horace
- Horehound
- Horn
- Hornbeam
- Hornbill Family
- Hornblende
- Horned Toad
- Hornell, New York
- Hornet
- Horse
- Horse-Chestnut
- Horsefly
- Horse Latitudes
- Horse Mackerel
- Horseradish
- Horseshoe
- Horseshoe Crab
- Horsetail
- Horticulture
- Hosea
- Hosmer, Harriet Goodhue
- Hospital
- Hospital, Military
- Hospital Ship
- Hostage
- Hot-Air Engine
- Hotbed
- Hotchkiss, Benjamin Berkely
- Hot Springs
- Hot Springs, Arkansas
- Hottentots
- Houdon, Jean Antoine
- Hough, Emerson
- Hound
- Hourglass
- Housatonic River
- Houseboat
- Houseleek
- House of Representatives
- Houston, Sam
- Houston, Texas
- Howard, Catherine
- Howard, John
- Howard, Oliver Otis
- Howe, Elias
- Howe, Julia Ward
- Howe, Richard
- Howe, Samuel Gridley
- Howe, Sir William
- Howells, William Dean
- Howitzer
- Howler
- Hubbard, Elbert
- Huckleberry
- Hudson, Henry
- Hudson, New York
- Hudson Bay
- Hudson River
- Hudson's Bay Company
- Huerta, Victoriano
- Hugh Capet
- Hughes, Charles Evans
- Hughes, James Laughlin
- Hughes, John
- Hughes, Samuel
- Hughes, Thomas
- Hugli, River
- Hugo, Victor Marie
- Huguenots
- Hull, Quebec, Canada
- Hull, Yorkshire, England
- Hull, Isaac
- Hull, William
- Hull House
- Humbert I
- Humboldt, Alexander, BARON VON
- Hume, David
- Humidity
- Humming Bird
- Hundred Years' War
- Hungary
- Huns, The
- Hunt (James Henry) Leigh
- Hunt, William Holman
- Hunter, David
- Huntington, Indiana
- Huntington, New York
- Huntington, West Virginia
- Huntsville, Alabama
- Hurdy-Gurdy
- Huron
- Huron, South Dakota
- Huron, Lake
- Hurricane
- Husband and Wife
- Huss, John
- Hutchinson, Anne
- Hutchinson, Kansas
- Hutchinson, Thomas
- Huxley, Thomas Henry
- Hyacinth
- Hyacinthe, Easant, Pere
- Hyacinthus
- Hyde Park, Massachusetts
- Hyderabad, India
- Hydra Monster
- Hydra, Fresh-Water
- Hydrangea
- Hydraulic Limestone
- Hydraulic Press
- Hydraulic Ram
- Hydraulics
- Hydrochloric Acid
- Hydrodynamics
- Hydrofluoric Acid
- Hydrogen
- Hydrogen Peroxide
- Hydrography
- Hydromechanics
- Hydrometer
- Hydrophobia
- Hydrostatic Press
- Hydrostatics
- Hyena
- Hygeia
- Hygiene
- Hygrometer
- Hyksos
- Hymen
- Hymenoptera
- Hymn
- Hymns, National
- Hypatia
- Hyperion
- Hypnotism
- Hyssop
- Hysteria
