Post-it note with handwritten message in green marker. The message reads: "Love Wins [heart]."

Post-it note with handwritten message in blue marker. The message reads: "Blessings of love from Israel."

Post-it note with handwritten message with blue marker. The message reads: "Never Forget. Love from D.C."

Handmade booklet with blue paper on the cover, pink cover on the back, and three pages of white paper inside. Tied together with red ribbon through three hole punches. Extensive color staining and bleeding throughout. Due to exposure to the elements at the Wilkins memorial, the messages on this card are no longer visible.

Post-it note with handwritten message in green marker. The message reads: "Live for those we have lost. Be well. Love from Boston MA."

Post-it note with handwritten message in black ink. The message reads: "We are so sorry! Love and Peace. Your neighbors. Gail and Rich."

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Brother MELVIN WAX z''l -- To his family and community we pray Tanuchamo min hashamayim. May God in Heaven comfort you. The Principals, Teachers, Parents, Alumni, and Students of Magen David Yeshivah. Brooklyn, NY." Part of a series of 11 flags, each dedicated to one of the victims. Additional photograph shows the entire set of 11.

Card on light pink paper with handwritten note and illustrations. The card reads: "I love you. I pray for you. Lyla [last name redacted]." Hand drawn illustrations of a blue flower, red heart, and red tulip appear below.

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside contains words of support and prayers for God's love. The church's contact information is included on the back of the envelope.

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside contains words of love and support. The church's contact information is included on the back of the envelope.

Floral tag from floral arrangement, which reads: "With Love from our Family to Yours [heart]." The note is written in black marker on rectangular piece of wrapping paper with brown and red stripes.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "We send LOVE to you today and always. We are on in the eyes of the Lord. When one hurts, we all hurt. When there is joy for one, there is joy for all. Prayers and blessings to you."

Floral tag from floral arrangement sent by Daniel Mulhall, the Irish ambassador to the United States, on behalf of the people of Ireland. The note is printed on a tag with a beige background from a local florist.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Deliver us from evil! -"

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Keep Going" and arrows, stars, and other floral motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Floral tag with blue hibiscus flowers. The tag contains a handwritten note reading: "Our deepest sympathy. Namachar family."

Condolence card from First Baptist Church, Berkley in Norfolk, Va. Light blue cover with floral pattern inscribed with the stock message: "Thinking of you with extra special care during this time when memories are stirred and the greatness of your loss can't help but felt afresh." Personalized message on the left flap reads: "We are deeply saddened by your loss. Our prayer is that you will feel the peace and comfort of the Lord in this time of need. May your hearts be lifted and unity forever flow.

Handwritten card from a student at Goddard Middle School in Littleton, Co. The cover of the card features the following quote: "For every minute you are angry, you lose 60 seconds of happiness." Inside reads: "Dear Rabbi Jeffrey, I am terribly sorry about the antisemitic attack. It infuriates me that someone could do that. Sincerely, Colton [last name redacted]."

Letter written on a piece of notepad paper with a blue line on the right edge. The note reads: "To the loved ones lost, 'Magnified and sanctified be Your name.' Always remembered. The [last name redacted] David, Alyson, Theodore and Andrew."

Card addressed to Richard Gottfried. Cover features a reproduction of a painting by Frank Crosby, a resident of the Emmaus Community of Pittsburgh. The inside contains messages of love and support written by other members of the Emmaus Community.