Are the sampler fonts Postscript type?
The short answer to your question is no, the fonts the sampler are not necessarily Postscript fonts. This is a survey of fonts that are available to display in Web browser programs; it is not concerned with the storage format of the fonts, nor technically how they are rendered on screen. Many of the fonts will have Postscript versions, see Anchor Points: fonts and foundries for primary sources. Actions: Follow-up, clarify or correct this answer. Submit a new question.