Ravelry: T-shirt yarn Backpack for girl or woman pattern by
Ravelry: Recycled T Shirt Yarn Tote Bag pattern by Angela Hutchinson
Sari Silk Purse pattern by Mary Jane Hall
Patten includes all necessary information for bag making. It is very detailed and has a lot of step by step photos. On the last page of the PDF file
MINIMEALBA Bag pattern by isWoolish
23 Free Crochet Backpack Patterns • Made From Yarn
Ravelry: T-shirt yarn Backpack for girl or woman pattern by
No-sew crocheted sleeves detailed how-to: short, medium, long
25 Free Modern Crochet Bag Patterns - Sarah Maker
Easy Crochet T-shirt Yarn Purse - Free Crochet Pattern
Josephine Backpack Crochet Pattern
Josephine Backpack pattern by Kiki Crochet Patterns
Ravelry: Jojo Bag pattern by Kathleen Berlew
Ravelry: Cove Tote Bag pattern by Kaitlin Barthold
Ravelry: Modern Backpack pattern by Tidzhen Gyuldzhu
Ravelry: Fuzzy Fleece Bag pattern by Stephanie Jessica Lau