In this there is no doubt that there is a profound difference between a novel by Agatha Christie, and John Dickson Carr and one, in this case, of AlanThomas.
Google Scholar provides a simple way to broadly search for scholarly literature. Search across a wide variety of disciplines and sources: articles, theses, books...
The three-quarter length portrait painted by Sir JohnWatsonGordon in 1830 presents Scott in full face and seated withhis hands resting on his walking stick.
{"2_6s1h":{"state":{"logo":{"href":"//yandex.com.tr","isForeign":true},"form":{"action":"/search/","searchLabel":"Bul","hiddenInputs":[{"name":"lr","value":21206}]},"actions":{"advancedSearch":{"checked":false,"ariaLabel":"Gelişmiş arama"},"moreButtonProps":{"ariaLabel":"Daha fazla"},"cbir":{"name":"cbir","label":"Görsele göre arama","infoUrl":"//yandex.ru/promo/photosearch/index?source=landingdesk","isMacOS":false}},"userSection":{"loggedIn":false,"loginProps":{"loginUrl":"https://passport.yandex.com.tr/auth?retpath=%2F&origin=serp_desktop_auth_new","loginText":"Giriş yap","burgerAriaLabel":"Menü"}},"navigation":{"tabs":[{"id":"www","label":"Arama","url":"//yandex.com.tr","params":{"source":"tabbar"},"target":""},{"id":"images","label":"Görsel","url":"//yandex.com.tr/gorsel/search","params":{"text":"[$query]","noreask":"[$noreask]","nomisspell":"[$nomisspell]","parent-reqid":"[$reqid]","from":"tabbar"}},{"id":"video","label":"Video","url":"//yandex.com.tr/video/search","params":{"text":"[$query]","noreask":"[$noreask]","parent-reqid":"[$reqid]","from":"tabbar"}},{"id":"maps","label":"Haritalar","url":"//yandex.com.tr/harita","params":{"text":"[$query]","source":"serp_navig"}},{"id":"translate","label":"Çeviri","url":"//ceviri.yandex.com.tr","params":{"text":"[$query]","from":"tabbar"}}],"selectedTabId":"www"},"context":{"query":"John Watson Gordon Portrait of Thomas Allen with his Mineral Specimens","reqid":"1728198577586478-10775118886129613983-balancer-l7leveler-kubr-yp-sas-170-BAL","noreask":"1","lr":"21206","counters":{"type":"b","data":{"$header":"0_87kuz000","logo":"0_87kuz001","login":"0_87kuz003","usermenu":"0_87kuz004","market-cart":"0_87kuz006","more-button":"0_87kuz007","cbir":"0_87kuz008","$navigation":"0_87kuz009","item":"0_87kuz00i","tab-www":"0_87kuz00b","tab-images":"0_87kuz00d","tab-video":"0_87kuz00f","tab-maps":"0_87kuz00h","tab-translate":"0_87kuz00j"}}},"loggedIn":false,"baobab":{"parentNode":{"context":{"genInfo":{"prefix":"0_87kuw01-0-1"},"ui":"desktop","service":"web","reqid":"1728198577586478-10775118886129613983-balancer-l7leveler-kubr-yp-sas-170-BAL","fast":{"name":"header-desktop"}}}}},"type":"header-desktop"},"2_87ku0":{"state":{"advAjax":{"subtype":"premium_ajax","shown":"eyJwcmVtaXVtIjpbXX0="},"baobab":{"parentNode":{"context":{"genInfo":{"prefix":"2_87kuw09-0-1"},"ui":"desktop","service":"web","reqid":"1728198577586478-10775118886129613983-balancer-l7leveler-kubr-yp-sas-170-BAL","fast":{"name":"adv","subtype":"return_ajax"}}}}},"type":"adv","subtype":"return_ajax"},"2_87ku1":{"state":{"linksGroups":[{"type":"geo","links":[{"label":"Columbus","title":"Columbus","url":"//yandex.com.tr/tune/geo","logNode":{"name":"region"},"target":"_self","a11yLabel":"Bölgeniz Columbus","needRetpath":true}]},{"type":"feedback","links":[{"label":"Hata bildir","logNode":{"name":"feedback","attrs":{"behaviour":{"type":"dynamic"}}}}]},{"type":"settings","links":[{"label":"Ayarlar","url":"//yandex.com.tr/tune/search","logNode":{"name":"settings"},"target":"_self","needRetpath":true}]},{"type":"company","links":[{"label":"Hakkımızda","url":"https://company.yandex.com.tr","logNode":{"name":"about"},"target":"_blank"},{"label":"Ticari teklifler","url":"/search/direct?text=John%20Watson%20Gordon%20Portrait%20of%20Thomas%20Allen%20with%20his%20Mineral%20Specimens&filters_docs=direct_cm","logNode":{"name":"commercial"},"target":"_blank"},{"label":"Kariyer","url":"//yandex.com.tr/jobs/?utm_source=serp_turkie&utm_medium=footerlink&utm_content=career","logNode":{"name":"vacancy"},"target":"_blank"},{"label":"Kullanım lisansı","url":"//yandex.com.tr/legal/termsofuse/","logNode":{"name":"license"},"target":"_blank"},{"label":"Gizlilik Politikası","url":"//yandex.com.tr/legal/confidential/","logNode":{"name":"confidential"},"target":"_blank"}],"a11yHidden":true}],"reportFeedbackProps":{"feature":"Подвал","title":"Hata bildir","checkBoxLabels":[]},"isSearchApp":false,"hasExtralinks":true,"limitingSelector":".AliceFabButton","baobab":{"parentNode":{"context":{"genInfo":{"prefix":"2_87kuw0b-0-1"},"ui":"desktop","service":"web","reqid":"1728198577586478-10775118886129613983-balancer-l7leveler-kubr-yp-sas-170-BAL"}}}},"type":"serp-footer"},"2_87ku2":{"state":{"conditionLoadList":{"marketCart":false,"highchartsHighstock":false,"advProductGallery":false,"musicPlayer":false,"ecomRates":false,"photoViewer":false,"easterEggModal":false,"easterEggPlusGamesModal":false,"futurisFeedbackLoader":false,"darkmodeChangeDrawer":true},"reportFeedbackBaseProps":{"initEmail":"","metaFields":{"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)","userTestids":"1111484,1066210,470238,186144,1101443,66181,1107403,1129075,1129501,1118175,1125212,1121119,1121142,1127139,1125708,1127024,1089203,1126266,6161,1121163,936724,43962,1127762,187287,1114432,1115037,1128221,1120389,1128077,1124871,1119528,1129352,1128775,1123306,1120060,1126194,1107796,1125106,1129755,40254,1122027,1124719,1112189,19997,931683,45972,1127519,1120821,151171,1069988,13962,287509,338390,1122265,1122921,1125331,1128957,1118757,1117279,1097893","yandexuid":"1021287351728198576","uid":"0","queryText":"John Watson Gordon Portrait of Thomas Allen with his Mineral Specimens","reqid":"1728198577586478-10775118886129613983-balancer-l7leveler-kubr-yp-sas-170-BAL","searchSlices":["drawer_search_slice_english"],"userRegionName":"Columbus","userRegionId":"20815","isChildAccount":false}},"extralinksPopupProps":{"abuseLink":"https://twitter.yandex.com.tr/search/abuse?sign=d673398ba0bfdc0b2f1a9815d186e525&keyno=0"},"isLoggedIn":false,"userMenuDialogProps":{"flag":"skin,feedback","host":"yandex.com.tr","lang":"tr","project":"serp","queryParams":{"utm_source":"search"},"retpath":"https%3A%2F%2Ftwitter.yandex.com.tr%2Fsearch%2F%3Fes_context%3D0oYl4Q____________ARpKMTcxOTk3ODI2ODkxOTYxMi03NDM0OTUxODMxOTU0MTkxMTY0LWJhbGFuY2VyLWw3bGV2ZWxlci1rdWJyLXlwLXNhcy01NS1CQUwyBWFzc29jINLPiA%26lr%3D21206%26noreask%3D1%26p%3D4%26rq%3D1%26text%3DJohn%2BWatson%2BGordon%2BPortrait%2Bof%2BThomas%2BAllen%2Bwith%2Bhis%2BMineral%2BSpecimens%26ncrnd%3D76235","tld":"com.tr"},"baobab":{"parentNode":{"context":{"genInfo":{"prefix":"2_87kuw0c-0-1"},"ui":"desktop","service":"web","reqid":"1728198577586478-10775118886129613983-balancer-l7leveler-kubr-yp-sas-170-BAL","fast":{"name":"lazy-load"}}}}},"type":"lazy-load"}}