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<a href="/cliparts/S/1/R/h/f/s/professor-th.png"><img src="/cliparts/S/1/R/h/f/s/professor-th.png" alt='Professor clip art'/></a>
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<a href="/cliparts/S/1/R/h/f/s/professor-md.png"><img src="/cliparts/S/1/R/h/f/s/professor-md.png" alt='Professor clip art'/></a>
<!-- Size: 640 px -- >
<a href="/cliparts/S/1/R/h/f/s/professor-hi.png"><img src="/cliparts/S/1/R/h/f/s/professor-hi.png" alt='Professor clip art'/></a>
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