- $24.84DK Eyewitness Books: World War IAmazon
- $30.05Uncle Sam Wants You: World War I and the Making of the Modern American CitizenAmazon
- $5.14World War I by Tom McGowenBetter World Books
- $6.82World War I by DKBetter World Books
- $40.71World War I Coin and Stamp MemorabiliaWayfair
- $7.60World War I Tales: The War Game by Terry DearyBetter World Books
- $22.97World War I & II Vintage Posters 1000 Piece Jigsaw PuzzleOriental Trading Company
- $502.20World War I American Battlefields Itinerary - 1-Day Tour from ParisViator
- $12.99World War I Vintage Wanted For War Work Coffee Mug East Urban HomeWayfair
- $12.99World War I Vintage Buy Your Winter Supply of Coal Coffee Mug East Urban HomeWayfair
- $39.99World War I Coin & Stamp Collection By American Coin Treasures | 8" x 6.5" | MichaelsĀ®Michaels
- $44.99World War I Fokker Triplane In Mid Air Plane Airplane Aircraft Black Wood Framed Art Poster 14X20Wayfair
- $16.54World War I Vintage Save and Serve War Savings Stamps 2 1-Gang Duplex Outlet Wall Plate 3dRoseWayfair
- $26.99Navya World War I, Italian Artillery, Battle of Piave, Drawing Prisma Pillow Cover Winston PorterWayfair
- $63.99France World War I Enlistment Propaganda Matted Framed Wall Art Print 20X26Wayfair
- $44.99France World War I Enlistment Propaganda Black Wood Framed Poster 14X20Wayfair
- $812.93Flanders World War I Battlefields Private Tour from BrusselsViator
- $27.99Timeline of World War I Poster by T Courtney - Unframed PrintWayfair
- $29.6714/18--Rupture or Continuity : Belgian Art Around World War IBetter World Books
- $29.00I Want You Vintage World War I Poster Prints | 12 x 16 inMichaels
- $29.00Join The Tanks Vintage World War I Poster Prints | 12 x 16 inMichaels
- $29.00Wake Up America Vintage World War I Poster Prints | 12 x 16 inMichaels
- $29.00Enlist In The Navy Vintage World War I Poster Prints | 12 x 16 inMichaels
- $29.00On The Job For Victory Vintage World War I Poster Prints | 12 x 16 inMichaels
- $44.99Public Warning German And British Airships 1915 World War I Black Wood Framed Art Poster 14X20Wayfair
- $5.14G. I. Dogs: Sergeant Stubby, Hero Pup of World War I (G. I. Dogs #2) by Laurie CalkhovenBetter World Books
- $21.0521 oz Stainless Steel Water Bottle 3dRose Theme: World War I Vintage Buy Liberty Bonds 3, Color: Blue/BlackWayfair
- $54.99Wall Art Print Entitled, Poster Advertising 'OXO', From World War I Vintage Winston Porter Format: Paper, Size: 14" H x 11" W x 0.03" DWayfair