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Brown H Douglas IIpdf loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer202203300855cf949e550346f57ba33c69html5thumbnails483jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=484Page 484button div class=ts-imagea href=https:reader040vdocumentinreader040viewer202203300855cf949e550346f57ba33c69html5page484jpg target=_blank img data-url=teaching-by-principles-brown-h-douglas-iipdfhtmlpage=484 data-page=484 class=ts-thumb lazyload alt=Page 484: Teaching by Principles - Brown H Douglas IIpdf loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer202203300855cf949e550346f57ba33c69html5thumbnails484jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=485Page 485button div class=ts-imagea href=https:reader040vdocumentinreader040viewer202203300855cf949e550346f57ba33c69html5page485jpg target=_blank img data-url=teaching-by-principles-brown-h-douglas-iipdfhtmlpage=485 data-page=485 class=ts-thumb lazyload alt=Page 485: Teaching by Principles - Brown H Douglas IIpdf loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer202203300855cf949e550346f57ba33c69html5thumbnails485jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=486Page 486button div class=ts-imagea href=https:reader040vdocumentinreader040viewer202203300855cf949e550346f57ba33c69html5page486jpg target=_blank img data-url=teaching-by-principles-brown-h-douglas-iipdfhtmlpage=486 data-page=486 class=ts-thumb lazyload alt=Page 486: Teaching by Principles - Brown H Douglas IIpdf loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer202203300855cf949e550346f57ba33c69html5thumbnails486jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=487Page 487button div class=ts-imagea href=https:reader040vdocumentinreader040viewer202203300855cf949e550346f57ba33c69html5page487jpg target=_blank img data-url=teaching-by-principles-brown-h-douglas-iipdfhtmlpage=487 data-page=487 class=ts-thumb lazyload alt=Page 487: Teaching by Principles - 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