raster icon; blue and gray; white background; books; office; catalog; directory; folder; document; file; education; library; notebook; journal; textbook; database; volumes; knowledge; bookstore; archive; reports; information; literature; data; periodicals; poetry; paper; text; magazine; encyclopedia; statistics; isolated; glyph; pictogram; symbol; flat: Bilder zum Thema raster icon; blue and gray; white background; books; office; catalog; directory; folder; document; file; education; library; notebook; journal; textbook; database; volumes; knowledge; bookstore; archive; reports; information; literature; data; periodicals; poetry; paper; text; magazine; encyclopedia; statistics; isolated; glyph; pictogram; symbol; flat bei ClipDealer