Handwritten letter written in black ink on lined notebook paper from a Jewish resident of Riverdale, Ny. Addressed to Congregation Tree of Life, the Squirrel Hill community, Pittsburgh, and everyone grieving from the October 27 attack.

Handmade card illustrated in pink and blue colored pencil featuring assorted hearts in varying shapes and colors. Color bleeding due to exposure to the elements at the Wilkins memorial.

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

Floral tag from floral arrangement sent by the Brown family. The tag reads: "Pittsburgh Strong. We grieve with you. There are no words. Thank you for standing for love. Thank you for fulfilling Exodus 22:21." Note handwritten in blue ink on a printed tag featuring a white rose on the left.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "I'm sending you love during this most difficult time. I'm praying for you all. God loves us all and I hope you all will feel his amazing love during this trying time. My heart hurts at this time for you all. I love you! Pam."

Post-it note with handwritten message in green marker. The message reads: "In this time where hate is prevalent...let's remind each other of how much good there is and teach our children the importance of."

Handmade card in watercolor, marker, and ink on paper. The card features a quote from 1 Corinthians 12:12 on the front. It is signed on the back: "With love, Katie and Meagan and Mark."

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

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of seven children holding hands around a table with a large goblet and loaf of braided bread, and seven doves. The illustration is labeled: "We are people of God's peace." The inside reads: "May God keep our men and women safe! We are praying 4 u!!!"

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark.

Black and white laser print with the Stronger Than Hate symbol on the front; Pittsburgh Penguins symbol with Star of David on the back.

Bright green posterboard with inscription in black marker. Blank back.

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

Silver box with metallic polka dot lining used to hold the cards sent by students at West Allegheny Middle School in Imperial, Pa. A handmade card with a tree at the center glued to a green ribbon is tied with a bow in the center. The tree trunk is adorned with a banner, reading: "Please take what you need" and is signed: "West Allegheny Middle School" with a heart.

Card from the Friendship Circle of Illinois. The front cover reads: "From Eli [last name redacted] Chicago, Il." The inside reads: "To the Jewish community of Pittsburgh sheyichyu (may they live), We were all so sad when he heard the news. We all hope very soon there will be tichiat hameitim (resurrection of the dead). My hachlata (resolution) is to look in my siddur (prayer book) while I daven (pray)." Spelling errors corrected for clarity.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To our Brothers and Sisters at Tree of Life Synagogue, First off, my heart is saddened by the unspeakable tragedy that visited your community last week. My (one) heart breaks with you and we mourn beside you. Second, I feel anger that this could happen. Anger that anyone who have so much fear and brokenness in them that they could commit this kind of act. Finally, and most profoundly, I feel a sense of hope!

Card made by a student from the George Washington University Hillel. Card reads: "We love you and are thinking of you. May we all see better days ahead. Love, GW Hillel."

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.