Beowulf (1000)
William Langland: Piers Plowman (1360)
West Indische Compagnie (Ducth West India Company)
Arnoldus Montanus: De Nieuwe en Onbekende Weereld (1671)
Willem Piso / Georg Marcgrave: Historia Naturalis Brasiliae  (1648)
Joannes de Laet
    Nieuwe Wereldt ofte Beschrijvinghe van West-Indien (1625)
    Novus Orbis seu descriptionis Indiae Occidentalis (1633)
Hans Staden: Viagens e aventuras no Brasil (1557)
Adam Smith: Wealth of Nations (1776)
Edward Dodwell
     A Classical Tour through Greece (1819)
     Views in Greece (1821)
     Views and Descriptions of Cyclopian... (1834)
Debret: Voyage pittoresque et historique au Brésil (1834-1839)
William Russel: Life of the Cardinal Mezzofanti (1858)
Charles Dickens: A Tale of Two Cities (1859)
Charles Darwin
     On the Origin of Species (1859)
     Descent of Men (1871)
Theodore Roosevelt: Through the Brazilian wilderness (1914)

Mark Twain was a beloved writer, yet his status as both an author and protean example of the now-familiar pop cultural celebrity seems to grow with each passing decade.

Below Facsimiles of some of his books (1st editions). Also, check out his introduction to "English as she is spoke".
First Editions:
     The Celebrated Jumping Frog (1867)
     The Innocents Abroad (1869)
     Roughing it (1872)
     The Adventures of Tom Sawyer (1876)
     A Tramp Abroad (1880)
     The Prince and the Pauper (1882)
     Life on the Mississippi (1883)
     Adventures of Huckleberry Finn (1884)
     A Connecticut Yankee (1889)
     The American Claimant (1892)
     Merry Tales (1892)
     The 1,000,000 Bank Note (1893)
     Pudd'nhead Wilson (1894)
     Tom Sawyer Abroad (1894)
     Tom Sawyer, Detective (1896)
     Personal Recollections of Joan of Arc (1896)
     Following the equator (1897)
     The Man that corrupted Hadleyburg (1900)
     A double barrelled Detective story (1902) 
     A Dog's Tale (1904)
     Extracts from Adam's diary (1904)
     Kig Leopold's Soliloquy (1905)
     The $ 30,000 bequest and other stories (1906)
     Eve's diary (1906)
     A horse's tale (1907)
     Is Shakespeare dead? (1909)
     Extract from Captain Stormfield's visit to Heaven (1909)
     My Platonic sweetheart (1912)
     The mysterious stranger (1916)
     Concerning the Jews (1934)

His novels Sons and Lovers (1913), The Rainbow (1915), and Women in Love (1920) made him one of the most influential English writers of the 20th century.
First editions:
The White Peacock (1911)
The Tresspasser (1912)
Sons and Lovers (1913)
The Rainbow (1915)
Women in Love (1920)
The Lost Girl (1920)

"In this world of uncertainties, there is, at any rate, one thing which may be pretty confidently set down as a certainty: and that is, that this celebrated little phrase-book will never die while the English language lasts. Its delicious unconscious ridiculousness, and its enchanting naiveté, as are supreme and unapproachable, in their way, as are Shakespeare's sublimities."
Read the first edition facsimile of English as she is Spoke

Wells is often credited as being one of the fathers of science fiction.  Wells’ masterpiece spawned more invasion literature and inspired numerous movie adaptations and print sequels.
Read the 1st editions
     The Time Machine (1895)
     The Wonderful Visit (1895)
     The Island of Doctor Moreau (1896)
     The Wheels of Chance (1896)
     The War of the Worlds (1898)
     The First Men in the Moon (1901)
     In the Days of the Comet (1906)
     The War in the Air (1908)
     The World Set Free (1914)

"All that glisters is not gold."
First editions:
     Henry VI (1590)
     Richard III (1591)
     The Comedy of Errors (1592)
     The Two Gentlemen of Verona (1594)
     Love's Labour's Lost (1594)
     Romeo and Juliet (1595)
     Richard II (1595)
     A Midsummer night's dream (1595)

Sherlock Holmes was an immediate hit in Doyle's day and remains so popular that he is sometimes mistaken for a real historical figure.
First editions:    
The Sign of Four (1890)
Firm of Girdlestone (1890)
The White Company (1891)
     The Adventures of Sherlock Holmes (1892)
The Refugees (1893)
     The Memoirs of Sherlock Holmes (1894)
Rodney Stone (1896)
The Exploits of Brigadier Gerard (1896)
The Tragedy of the Korosko (1898)
     The Hound of the Baskervilles (1902)
     The Return of Sherlock Holmes (1905)
The Lost World (1912)
The Poison Belt (1913)
     His Last Bow (1917)
The Vital Message (1919)