Oxford A-Z Card Guides, 5" x 8", 1/5-Cut Tabs, Manila, 25/Set (B8525)

Snap-N-Store Durable Collapsible Index Card File Box, Fits 1100 5 x 8 Inch Index Cards (SNS01647)

AmazonBasics 5 x 8-Inch Ruled Lined White Index Note Cards, 500-Count

Oxford Heavy Weight Index Card Guide (P6925)

1InTheOffice Index Card Box 5x8 Index Card Holder, 400 Card Capacity Black (2 Pack)

Oxford Ruled Index Cards, 5" x 8", White, 500 Cards (5 Packs of 100) (51)

Oxford 40590 Reinforced Board Card File, Lift-Off Cover, Holds 1,200 5 x 8 Cards, Black/White

Oxford Index Card Guides with Blank Tabs, 4 x 6 Inches, 1/5 Cut Tabs, Manila, 100 per Box (40462)

Steelmaster Flat Card Files, 9.625"L x 5.375"W x 6.125"H (263855BLA)

100 SUPER THICK index cards/ 5"x8" / 14pt (0.014") 100lb / blank un-ruled / 97 white/note-cards post-cards flash-cards/extra heavy-weight duty, acid-free, 5 X 8 card stock

Oxford Ruled Color Cards, 5" x 8", Assorted Colors, 100 Per Pack (35810)