Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a bird with a leaf in its mouth and various geometric and floral motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Note from a member of The Church at Severn Run in Severn, Maryland. The front of the note reads: "Heaven is for everyone! God is Love- We love you. 'If any man says he love God, he's a liar if he loves not his brother.' 'Love they neighbor as thyself.' We are all children of the Lord. We are all the same in God's eyes. And they that be wise shall shine as the brightness of the firmament." Illustrations of a smiling heart, five-pointed star, cloud, rainbow, as well as flowers, appear below.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the word: "Smile" and other floral and geometric motifs. The back contains a handwritten note and a sticker with the words: "Stronger Than Hate" with a heart and Star of David. The stock signature: "From your friends at West Allegheny Middle School" appears in the lower center.

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Brother In Memory of our Brother SYLVAN SIMON 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.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "Please do not stop your worship. Continue to pray for the people who really need it. Pray for those who need love. I love you so please do not stop worshipping or [be] scared to worship. Don't let the hate change your lifestyle. [Smiley face]."

Handmade sign with black and red ink. The sign contains a handwritten message of support from Valeriy [last name redacted] and "whole of Kazakhstan" to the members of the Tree of Life synagogue. A peace symbol with a small red heart featuring a Star of David appears on the lower left.

Floral tag from floral arrangement sent by the Vishny family in Irvine, California. The bouquet was sent in memory of Rose Mallinger, and all the other October 27 attack victims. The note is printed on a tag with a beige background from a local florist.

Oral history with Lenora Dingus recorded as part of the Meanings of October 27th oral history project.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Synagogue, Being God's chosen often includes incredible sacrifice. Too often you are chosen to be the sacrifice for us all. Thank you and bless you, [name illegible]."

Handwritten card from a student at Goddard Middle School in Littleton, Co. Front cover contains the following quote: "Never regret a day in your life. Good days give you happiness and bad days give you experience." Shows three small Stars of David on the far left and a cartoonish illustration of a stick figure pushing a pull with a Star of David on top of a heart up a hill on the center right. Inside reads: "Dear Tree of Life Congregation, My name is Yahir [last named redacted] and we heard what happened and we want you to [k]now that we pray for you.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Post-it note with hand drawn, abstract illustration in blue marker.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "My thoughts and prayers are with you. Clara [last name redacted]."

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 reads: The church's contact information is included on the back of the envelope.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "I am so sorry for the loss in your community. I hope you know there are many in our church and community who support you in your loss with our prayers."

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 a prayer for God's grace and love. The church's contact information is included on the back of the envelope.

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Brother DANIEL STEIN 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.