Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The front cover of this card features a heart with the words "God is love." The inside reads: "May you find God's comfort in knowing we are with you in spirit- May the spirit of God stir in the souls of all on our earth to stop the violence against God's people. We want peace on earth and it starts with us knowing our God of peace and love. God bless you and your whole community of believers. Pt Loma Community Pres. Church Loves you all."

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

Folded card on pink paper. Burn damage visible in the upper right edge of the card, perhaps due to proximity to an illuminated candle. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

Black poster with "Stronger Than Hate" written in white ink. An illustrated heart outlined in white ink with the letters "Pgh" written inside. Warped from water damage; dirt on the back due to exposure to the elements at the Wilkins memorial.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "You Got This" surrounded by a border with a grapevine pattern. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Large square card from a student at Fountain Valley School in Colorado Springs, Co. Card on white paper overlaid with a papercut Star of David set on grey background. Card reads: "Dear members of Tree of Life, I am a history teacher to high school students from all over the world at the Fountain Valley School of Colorado. My students and I were horrified to hear about the hateful shocking event at your place of worship. My students have been studying about peace and the flip side- hateful rhetoric. They were motivated to reach out and share their messages of support.

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.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated 11/4/2018 and reads: "Dear Fellow Journeyers in Faith- May you experience others holding you in their caring arms during this time of loss and grief. Know you are not forgot. Know God can redeem this tragedy to bring about justice. -A friend in San Diego- Claudia."

Card made by a student from the George Washington University Hillel. Front cover reads: "We Are One" with an illustrated heart below. The inside reads: "The GW community sends prayers and holds your community in our hearts. We will find a way to come out stronger."

Large bound volume. Cover features gold writing embossed onto white leather and reads, "Book of Life, New Light Sisterhood, Donated By Mr. and Mrs. Harold Marcus in memory of Herman L. Katz." Interior pages contain handwritten messages in calligraphy.

Notecard with green line on the right which reads: "This was wrong and shouldn't have happened. Our hearts go out to you. We know that love is stronger than hate."

Floral tag from floral arrangement sent by a group of six families. The tag commemorates the ten trees that were planted by the National Forest Foundation in memory of the October 27 attack victims. The note is printed on a tag with a beige background from a local florist.

Handwritten note written in purple marker on white paper reading: "We are all praying for you on this tragic day." Signed by the Yu, Kaufmann, and Bernstein families. Color bleeding due to exposure to the elements at the Wilkins memorial.

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

Business card for Richard C. Yeomans, a pastor and chaplain who founded Emergency Ministry Services.

Note addressed to Jerry Rabinowitz written on the back of a business card from Doug [last name redacted], a certified Pilates instructor in the Pittsburgh area.

Page of typed text on white paper. Provides detailed descriptions of two recent Squirrel Hill Stands Against Gun Violence events.