anchor.diff:  uc1.b4105459,6156317,4512180,,"Morrison, Arthur,",New York;Harper;1907.,1907,1863,1894,,,"Martin Hewitt, investigator",uk,m,det100
   njp.32101067301786,8957320,20905368,PR8389.S575M8 1922a,"Munford, George Frederick.",London;Somerset Folk Press;1922.,1922,,,,England;Legends;Ghost stories;Somerset,Ghosts and legends of South Somerset,,,locghost
   uc2.ark+=13960=t4qj79t1j,7668984,5338172,,"Orczy, Emmuska Orczy,","New York;Dodd, Mead & Company;1909.",1909,1865,1909,,,The man in the corner,uk,f,det100
  -nyp.33433076024060,8690139,16402623,PZ3.O815 #b Se,"Osborne, Duffield,",New York;London;G.P. Putnam's Sons;1900.,1900,,,,"Science fiction, American",The secret of the crater,,,locscifi
  +nyp.33433076024060,8690139,16402623,PZ3.O815 #b Se,"Osborne, Duffield,",New York;London;G.P. Putnam's Sons;1900.,1900,1858,1900,,"Science fiction, American",The secret of the crater,us,m,locscifi
   nyp.33433075749287,8666794,9825754,PZ3.O85A,"Ostrander, Isabel,",New York;W.J. Watt & Company;c1915].,1915,1883,1915,,,At one-thirty,us,f,det100
   nyp.33433076054620,8659658,4412484,PS3529.S68T78 1919,"Ostrander, Isabel,",New York;W.J. Watt & Company;c1919.,1919,1883,1919,,,The twenty-six clues,us,f,det100
  -nyp.33433074954656,8665125,10294318,PZ3.C9126W,"Owen, Harle Oren.","Boston, Mass.;Mutual Book Co.;c1902.",1902,,,,"Science fiction, American",Welsh rarebit tales,,,locscifi
  +nyp.33433074954656,8665125,10294318,PZ3.C9126W,"Owen, Harle Oren.","Boston, Mass.;Mutual Book Co.;c1902.",1902,,1902,,"Science fiction, American",Welsh rarebit tales,us,,locscifi
   uc2.ark+=13960=t7np1xq4d,6934614,3715366,,"Pease, Howard,",London;E. Macdonald;1919.,1919,,,,Ghost stories,Border ghost stories,,,locghost
   uc2.ark+=13960=t6zw19x28,7646115,2329444,PZ3.P592Ch,"Pidgin, Charles Felton,",Boston;L. C. Page & Co.;1912.,1912,1844,1912,,,"The chronicles of Quincy Adams Sawyer, detective",us,m,det100
   uc2.ark+=13960=t5bc3wr6q,7670294,12719329,,"Pinkerton, Allan,","New York;G.W. Carleton & Co.; [etc., etc.;1882, c1879.",1879,1819,1879,,Detectives,Mississippi outlaws and the detectives,us,m,locdetective
  
positive.code: uc1.32106001930137,7123380,993828,,"Chesterton, G. K.",New York;J. Lane;1911.,1911,1874,1911,,"Clergy;Catholics;Detective and mystery stories, English;England;Brown, Father (Fictitious character);Fiction",The innocence of Father Brown,uk,m,det100 | locdetmyst
  nyp.33433074970710,8667899,8661270,,"Christie, Agatha,","London;New York;John Lane;1921, c1920.",1920,1890,1920,,,The mysterious affair at Stiles,uk,f,det100
  inu.30000007708815,6057734,876882,PZ3.C697Mo2,"Collins, Wilkie,",New York;Harper & brothers;1868.,1868,1824,1868,,,The moonstone,uk,m,det100 | pbgothic
  uiuo.ark+=13960=t7cr65585,8722974,12076816,,"Corelli, Marie,",London;Richard Bentley;1886.,1886,,,v.2,"Science fiction, English",A romance of two worlds,,,locscifi
  nyp.33433074818778,8658697,10311195,,"Cowan, Frank,","Greensburg, Pa.;Tribune Press;188-?",1880,,,,"Science fiction, American",Revi-Lona,,,locscifi
  dul1.ark+=13960=t3zs3df24,7509390,4355055,PS1534.D35S8,"De Mille, James,",New York;Harper & Brothers;1888.,1888,,,,"Utopias;Science fiction, Canadian;19th century;Sea stories",A strange manuscript found in a copper cylinder,,,locscifi
  mdp.39076002621501,9929809,12308040,,"Dickens, Charles,",London;Dent;New York;Dutton;1905,1905,,,,"Scrooge, Ebenezer (Fictitious character);Sick children;Christmas stories;Poor families;Ghost stories;Misers;England;Juvenile fiction",A Christmas carol in prose,,,locghost
  nyp.33433074968417,8664999,7254452,PZ3.D7452We,"Dougherty, Harry V.",Boston;Richard G. Badger;c1922;([Boston;The Gorham Press),1922,1873,1922,,"Detective and mystery stories, American",Well-- who killed him?,us,m,locdetmyst
  inu.30000007703436,6057848,15749881,,"Doyle, Arthur Conan,",New York;A.L. Burt;c1922.,1922,1859,1894,,"Private investigators;England;Detective and mystery stories, English;Fiction;Holmes, Sherlock",Memoirs of Sherlock Holmes,,,locdetmyst
  
negative.code: uc2.ark+=13960=t3222sk2s,7660530,21893050,,"Green, Anna Katharine,",New York;A.L. Burt;c1913.,1913,1846,1913,,,"Room number 3, and other detective stories",f,us,det100
  uc1.b4104310,6155805,276196,,"Green, Anna Katharine,",New York;London;G.P. Putnam's sons;1899.,1899,1846,1899,,,Agatha Webb,us,f,det100
  uva.x001307832,9782975,21309411,,"Green, Anna Katharine,",New York;G. P. Putnam's Sons;1906.,1906,1846,1888,,,Behind closed doors,us,f,det100
  uc1.b3578701,6678144,12767085,PZ3.G8616A,"Greg, Percy,",London;Trübner;1880.,1880,1836,1880,v.2,"Science fiction, English",Across the zodiac,uk,m,locscifi | anatscifi
  dul1.ark+=13960=t3dz0xh78,6678144,12767085,PZ3.G8616A,"Greg, Percy,",London;Trübner;1880.,1880,1836,1880,v.1,"Science fiction, English",Across the zodiac,uk,m,locscifi | anatscifi
  njp.32101067645505,8961936,12851342,,"Griffith, Mary,","Philadelphia;Carey, Lea & Blanchard;1836.",1836,1772,1836,,"Science fiction, American","Camperdown, or, News from our neighbourhood",us,f,locscifi
  uc2.ark+=13960=t3rv0jp0n,7688518,14250735,,"Hall, Anna Maria",London;R. Bentley;1832.,1832,1800,1832,v.1,Criminals;Detective and mystery stories;Fiction,The buccaneer,uk,f,locdetmyst
  uc2.ark+=13960=t8ff3s14j,7688518,14250735,,"Hall, Anna Maria",London;R. Bentley;1832.,1832,1800,1832,v.3,Criminals;Detective and mystery stories;Fiction,The buccaneer,uk,f,locdetmyst
  uc2.ark+=13960=t3hx1bd9t,7688518,14250735,,"Hall, Anna Maria",London;R. Bentley;1832.,1832,1800,1832,v.2,Criminals;Detective and mystery stories;Fiction,The buccaneer,uk,f,locdetmyst
  nyp.33433074870266,7660911,6263120,,"Hamel, Felix John.","London;Simpkin, Marshall & Co.;1859.",1859,,1859,,Criminals;Smuggling;Fiction;Detective and mystery stories,"Harry Roughton, or, Reminiscences of a revenue officer",uk,m,locdetmyst
  uc2.ark+=13960=t10p0xs0f,6533865,11601379,,"Harding, Ellison.",London;T. Fisher Unwin;1908.,1908,1883,1908,,Utopias;Science fiction,The woman who vowed,us,m,locscifi
  nyp.33433074850870,8664795,13659278,PZ3.H2443Pr2,"Harris-Burland, J. B.","Boston;Little, Brown, and Co.;1904.",1904,1870,1904,,"Science fiction, English",The Princess Thora,uk,m,locscifi
  uc2.ark+=13960=t0pr7n71q,1463577,296462,PZ1.H31Lo,"Hawthorne, Julian,",New York;The Review of reviews co.;1909.,1909,,,v.9,,The lock and key library: classic mystery and detective stories;,,m,det100
  nyp.33433082344916,7818078,2145323,PZ7.H772Oua 1913,"Hope, Laura Lee.",New York;Grosset & Dunlap;c1913,1913,,1913,,Adventure stories;Detective and mystery stories;Camping;Boats and boating;Horses;Juvenile fiction,The outdoor girls at Rainbow Lake,,,locdetmyst | drop | juvenile
  nyp.33433082332077,8689217,2574268,,"Hope, Laura Lee.",New York;Grosset & Dunlap;c1917.,1917,,1917,,Bobbsey Twins (Fictitious characters);Twins;Juvenile fiction;Detective and mystery stories,The Bobbsey twins on Blueberry Island,,,locdetmyst | juvenile | drop
  