Both are fine. '- part of selected contents -' is a sentence fragment indicating that it's an extract from a poem. You need a capital letter only if it's a full sentence (with verb and noun).<br /><br />"Perspectives on the aesthetics of ... &nbsp;is correct. Since you're really talking about microfilming scenes, objects and sounds, it's a better description than 'interpretation'. I think we should add the 'on'.<br /><br />George