The best replacement for titles is italicize.

The best alternatives to titles are rated as following:
★★★★★  italicize
★★★★  names
★★  quote
★★  positions
★★  registry
★  underline
★  deeds
★  quotes
  hd dvd titles
  titles
  italics
  use quotes
  headings

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Speaking about titles, one probably shouldn't forget about copies.

Other search terms related to titles and their ratings are:
★★★★★ copies
★ quotation marks
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titles
italicize
names